Quick answer: To block an email on Gmail, open the email, click the three dots next to Reply, and choose Block “sender name.” Future emails from that sender go straight to Spam. Outlook, Yahoo and iPhone work in a similar way. To stop legitimate marketing email, unsubscribe; to automatically remove recurring unwanted senders, an email-filtering tool such as SaneBox can do more.

Some senders just don’t get the hint.

The ex-colleague who added you to their newsletter. The store you bought one thing from in 2019. The recruiter who follows up every Tuesday, like clockwork. You’ve ignored them, archived them and deleted them. They keep coming back.

That’s what blocking is for. It’s how you shut the door on one specific sender you never want to hear from again. (If your problem is more of a flood, read our guide on how to stop spam emails. [link to Brief 1 once live])

Here’s how to block emails on every major app and device, what blocking actually does, and where it falls short. Every method below takes under a minute, and none of them require you to reply, click an unsubscribe link, or explain yourself to anyone.

How to Block Emails on Gmail

Gmail gets the most searches, so we’ll start there. The good news: it takes about five seconds.

On Desktop

1. Open the email from the sender you want to block.
2. Click the three dots (More) next to the Reply button.
3. Click Block “sender name.”
4. Confirm by clicking Block.

That’s it. According to Google, all future emails from that sender will go to your Spam folder.

On the Gmail App (iPhone and Android)

Here’s how to block emails on Gmail on your phone:

1. Open the Gmail app and tap the email.
2. Tap the three dots in the top right of the message (next to the reply arrow, not the ones at the very top of the screen).
3. Tap Block “sender name.”

Because blocks are saved to your Google account, a block you set on your phone works on your computer too, and vice versa.

How to Unblock Someone in Gmail

Blocked the wrong person? Easy fix:

1. Click the gear icon, then See all settings.
2. Go to the Filters and Blocked Addresses tab.
3. Tick the box next to the address and click Unblock selected addresses.

You can also open any old email from them and click Unblock sender at the top.

How to Block Emails on Outlook

Outlook has a few versions, and the menus differ. Here’s each one.

New Outlook and Outlook.com

1. Open the email, click the three dots, and choose Block > Block sender.
2. Or go to Settings > Mail > Junk email, enter the address under Blocked senders, click Add, then Save.

Classic Outlook for Windows

1. Right-click the email in your inbox.
2. Choose Junk > Block Sender.

Outlook Mobile App

1. Open the email and tap the three dots.
2. Tap Report junk (or Move to Junk, depending on your account).

Your blocked list is shared across Outlook.com, new Outlook and the mobile app, so anything you add on desktop applies on your phone too.

Two things to know, per Microsoft: blocked messages go to Outlook’s Junk Email folder rather than your inbox. Microsoft says Outlook supports up to 10,000 addresses or domains in its blocked and safe-sender lists.

How to Block Emails on Yahoo Mail

1. Click the Settings gear, then More Settings.
2. Select Security and Privacy.
3. Under Blocked addresses, click Add.
4. Enter the email address and click Save.

Yahoo lets you add unwanted senders to a blocked-address list. The exact options can vary by Yahoo Mail version and account. To unblock someone, go back to the same screen, hover over the address and click the trash icon.

In the Yahoo Mail app, open the email, tap More (the three dots), and look for the block or spam option. If you only see Mark as spam, use it, then add the address to your blocked list from Yahoo Mail on the web.

How to Block Emails on iPhone

Using the built-in Mail app? Here’s how to block a sender:

1. Open an email from the sender.
2. Tap the sender’s name at the top of the email.
3. Tap Block this Contact.

To get rid of the messages, follow these steps:

1. Go to Settings > Apps > Mail.
2. Tap Blocked Sender Options.
3. Choose Move to Trash.

To see or remove blocked senders, go to Settings > Apps > Mail > Blocked. Apple Mail’s behavior is different from Gmail’s: blocking a contact in Mail also blocks their calls and texts, since iPhone shares one blocked list across Phone, Messages, FaceTime and Mail.

If you read email in the Gmail or Outlook app on your iPhone, use that provider’s steps above instead.

How to Block an Email Address vs a Whole Domain

Blocking an email address stops one sender: deals@shop.com.

Blocking a domain stops everyone at that company: anything ending in @shop.com. That’s useful when a company sends from five different addresses, or a spammer keeps rotating names on the same domain.

• Outlook: add the domain under Blocked domains in Junk email settings.
• Gmail: Gmail doesn’t have a separate blocked-domain list. Instead, you can create a filter that sends messages from a particular domain to Trash. Click the sliders icon in the search bar, type @shop.com in the From field, click Create filter, and tick Delete it.
• Yahoo: use Filters in More Settings to route a domain to Trash.

Be careful with big domains. Blocking @gmail.com or @outlook.com will block millions of real people.

What Happens When You Block an Email?

Blocking is quieter than you might think:

• The sender generally isn’t notified. Blocking normally changes how your provider handles the message; the sender won’t get a bounce-back or a “you’ve been blocked” message.
• The message isn’t necessarily rejected. Gmail sends blocked messages to Spam, while Outlook sends them to Junk, and iPhone Mail to Trash if you’ve set it up.
• It’s not permanent. Spam and Junk folders empty themselves after a while, so blocked emails disappear without you lifting a finger.
• Old emails stay put. Blocking only affects future messages. To clear out their past emails in Gmail, search from:theiraddress, click the select-all checkbox, and hit Delete. Outlook and Yahoo work the same way with their own search bars.
• It’s reversible. You can unblock anyone at any time.

Block, Unsubscribe or Filter: Which Should You Use?

Not every unwanted email needs the same fix. Here’s a quick guide:

Option	Best for	What it does	Watch out for
Block	A specific person or sender you never want to hear from	Sends their future emails to Spam, Junk or Trash	Sender can switch addresses
Unsubscribe	Legit newsletters and brands you signed up for	Removes you from their mailing list	Never use on suspicious or unsolicited messages: it can confirm your address
Filter	Patterns (a domain, a keyword, a subject line)	Moves, labels or deletes matching email automatically	Takes setup, and needs updating over time

Unsubscribing is the cleanest option for honest senders. Here’s how to do it safely.

The Limits of Blocking

Blocking works. But it’s a padlock, not a moat.

• Spammers switch addresses. Block one, and the same spam shows up tomorrow from a slightly different one.
• Blocks don’t always travel. Block someone in the iPhone Mail app and it only applies there. Open the same account in Outlook on your laptop and they’re back.
• There are caps. Yahoo stops at 1,000 addresses. Outlook stops at 10,000.
• It’s all manual. Every block is one more chore, and it only works after the email has already annoyed you.

And blocking only handles the senders you hate. It does nothing for the much bigger pile of email that’s fine, just not important right now.

Block Once, Everywhere: SaneBlackHole

This is where SaneBlackHole comes in.

SaneBlackHole is a folder SaneBox adds to your email account. Drag any email into it, and SaneBox learns to send every future email from that sender there too. By default, messages in SaneBlackHole stay there for seven days before SaneBox moves them to Trash — so you never have to see them again.

Why it beats your app’s block button:

• It works in every app. SaneBox works with your email account rather than living inside one particular email app. That means the same SaneBox training follows your account whether you check email in Gmail, Outlook, Apple Mail, a phone app or webmail. SaneBox is now on Android, too.
• It works with almost any provider. Gmail, Outlook, Yahoo, iCloud, AOL and more.
• No unsubscribe link needed. You never click anything in a sketchy email.
• It’s easy to undo. Drag the email back out, or remove the sender from your SaneBox dashboard.

And while SaneBlackHole handles the senders you never want to hear from, the rest of SaneBox quietly moves unimportant email out of your inbox, so only what matters stays there.

FAQ

Can you block emails on Gmail?

Yes. Open the email, click the three dots next to Reply, and choose Block “sender name.” Future emails from that sender go to your Spam folder. It works the same way in the Gmail app on iPhone and Android.

Does the sender know when you block them?

No. None of the major providers notify the sender. Their emails are delivered as normal on their end; they just land in your Spam, Junk or Trash instead of your inbox.

Can a blocked sender still email you?

Technically, yes. Blocking doesn’t stop someone from sending, it just changes where their email ends up. And if they email you from a new address, it will reach your inbox until you block that one too.

How do I block emails without opening them?

In Gmail, tick the box next to the email and click Report spam, or add the address in Settings > Filters and Blocked Addresses using a filter. In Outlook and Yahoo, add the address to your blocked list in settings. With SaneBox, just drag the unopened email into SaneBlackHole.

Shut the Door for Good

Blocking is one of the simplest ways to take your inbox back. Use your app’s block button for the occasional pest, and when the pests start multiplying, let SaneBox handle it everywhere at once.

Block a sender once and never see them again, on any app. Try SaneBlackHole free with SaneBox.

Your inbox has a squatter problem.

You delete ten “You’ve won!” emails before breakfast, and by lunch there are twelve more. It isn’t your imagination. According to Kaspersky’s 2025 telemetry, spam made up 44.99% of all global email traffic in 2025. The same report found a 15% jump in malicious attachments year over year.

The reason it’s getting worse is simple: spam got easier to produce. Generative AI lets anyone write thousands of convincing emails in minutes, which is why we called it The Great Inbox Flood. As Kaspersky’s own anti-spam expert put it, AI is “enabling attackers to craft convincing, personalized phishing messages at scale with minimal effort.”

The good news? You don’t have to sit there bailing water. Here’s how to stop spam emails on every major email provider, the habits that keep it from coming back, and the shortcut that does most of the work for you.

Fast Fix: How to Stop Spam Emails

The quickest way to stop spam emails: report obvious spam through your email provider, block repeat senders, unsubscribe from legitimate marketing emails, and avoid interacting with suspicious messages. If you want to reduce the legitimate newsletters, notifications and other low-priority messages that still clutter your inbox, SaneBox can automatically filter them into separate folders.

Why Am I Getting So Many Spam Emails?

Spam can find you for a lot of reasons. The usual suspects:

• A data breach. A site you signed up for years ago gets hacked, and your email ends up on a list that’s bought and sold for pennies.
• Data brokers. Some companies collect and resell contact details. Your email can travel a long way from the place you first typed it in.
• Sign-ups and freebies. Every giveaway, coupon and “free guide” is a small trade: your inbox for their offer. Not every company plays fair with that trade.
• Your email is public. If your address sits on a website, a LinkedIn profile or a public forum, bots can scrape it in seconds.
• You engaged with spam before. Opening, replying or clicking tells spammers your address is live. Live addresses are worth more, so they get more spam.

If you’ve suddenly started getting a lot more spam, one of these reasons is usually to blame. 

Spam vs Junk vs Promotional Email

These words get used interchangeably, but they’re not the same thing:

• Spam is unsolicited bulk email you never agreed to receive. Some of it is harmless, some of it is a scam.
• Junk is the folder where your email app sends messages it thinks you don’t want. Spam usually lands there, but so can real email.
• Promotional email is marketing email from a company or organization. You may have signed up for it directly, or agreed to receive marketing while using a service. If you no longer want to see it, use the sender’s unsubscribe option. 

Why it matters: the fix is different for each. You report spam, you rescue real email from junk, and you unsubscribe from promotions. For a deeper breakdown, read How to Tell the Difference Between Spam and Junk Mail.

How to Stop Spam Emails on Each Provider

Every provider has its own tools. Two rules apply everywhere: report spam instead of just deleting it (it trains the filter), and block or filter repeat offenders so they never land in front of you again.

How to Stop Spam Emails on Gmail

Gmail’s spam filter is strong, but it learns from you.

1. Report spam. Open the email (or check the box next to it in your inbox) and click Report spam, the exclamation mark icon. Gmail moves it to Spam and gets better at catching similar mail.
2. Block the sender. Open the email, click the three dots next to Reply and choose Block “sender name”. According to Google, all future emails from that sender go straight to Spam.
3. Create a filter. Click the sliders icon in the search bar, enter the sender or a phrase the spam keeps using (like a domain), click Create filter, then tick Delete it. Future matches skip your inbox entirely.

How to Stop Spam Emails on Outlook

1. Report it. Select the email and choose Report > Report junk (in some versions, Junk > Junk).
2. Block the sender or domain. In new Outlook and Outlook.com, go to Settings > Mail > Junk email. Add an address under Blocked senders or a whole domain under Blocked domains, then click Save.
3. Know where it goes. Per Microsoft, blocked mail goes to your Junk Email folder and is deleted automatically after 14 days or more.

One catch: new Outlook can’t block senders for Gmail or Yahoo accounts you’ve added to it. You’ll need to block those in Gmail or Yahoo directly.

How to Stop Spam Emails on Yahoo Mail

1. Mark as spam. Select the email and click Spam in the toolbar.
2. Block the address. Go to Settings > More Settings > Security and Privacy. Under Blocked addresses, click Add, enter the address and click Save. Yahoo lets you block up to 1,000 addresses.
3. Use the Unsubscribe button for legit senders. Yahoo shows it at the top of many marketing emails.

How to Stop Spam Emails on iPhone

The built-in Mail app gives you two tools:

1. Move it to Junk. Open the email, tap the folder icon (or swipe left and tap More), then choose Move to Junk. If you use iCloud Mail, this helps train the filter.
2. Block the sender. Tap the sender’s name at the top of the email and choose Block this Contact.
3. Decide what blocking does. Go to Settings > Apps > Mail > Blocked Sender Options and pick Move to Trash. Otherwise blocked mail just gets a label and still sits in your inbox.

Using the Gmail or Outlook app on your iPhone? Follow the steps for that provider. The spam settings live with your email account, not your phone.

How to Stop Spam Emails on Android

Most Android phones use the Gmail app:

1. Open the email.
2. Tap the three dots in the top right corner.
3. Tap Report spam, or Block “sender name” for repeat offenders.

Both actions sync to your Gmail account, so they work on your computer too. If you use Samsung Email or another app, look for the same options under the three-dot menu.

How to Permanently Stop Spam Emails: 6 Habits

Reporting and blocking clean up today’s mess. These habits stop tomorrow’s.

1. Use an alias for sign-ups. Gmail lets you add a “+” to your address (yourname+shopping@gmail.com). Apple’s Hide My Email, part of iCloud+, creates random addresses that forward to you. If an alias starts getting spam, you know who leaked it, and you can switch it off.
2. Never reply to spam. Not even “stop emailing me.” A reply confirms that a real person reads this inbox.
3. Don’t click unsubscribe in suspicious spam. If you recognize a legit newsletter, clicking unsubscribe is fine. If the message looks suspicious or comes from an unknown sender, that link often just confirms your address is active (more on this below).
4. Hide your email online. Remove it from public profiles, or write it as “name at domain dot com” so scrapers miss it.
5. Turn off remote images. Many spam emails hide tiny tracking pixels. In Apple Mail, turn on Protect Mail Activity. In Gmail, go to Settings > Images and choose Ask before displaying external images.
6. Read the fine print on sign-up forms. Untick the “share my info with partners” box. That box is how one email list becomes ten.

Will spam ever stop completely? No. Any address that’s been online for a while will get some. But these habits turn a flood into a trickle.

And remember to keep your own devices clean. The FTC notes that spammers use malware-infected devices to send spam in bulk. Keep your security software and passwords up to date so your own computer isn’t part of the problem.

Should You Unsubscribe From Spam?

It depends on who sent it.

Safe to unsubscribe: emails from brands you recognize and signed up with. Use the provider’s built-in unsubscribe button (Gmail and Yahoo both show one at the top of most marketing emails). Gmail also has a Manage subscriptions view that lists your mailing lists in one place.

Not safe: emails from senders you’ve never heard of, offering things you never asked for. Clicking their unsubscribe link can confirm your address, take you to a phishing page, or both. Report and block instead.

We go deeper in Should You Unsubscribe From Spam?, plus how to safely unsubscribe from an email newsletter.

How to Spot Dangerous Spam: Phishing and Malware Red Flags

Most spam is just noise. Some of it is a trap. Watch for these red flags:

• Urgency. “Your account will be closed in 24 hours.” Real companies rarely threaten you by email.
• A sender address that’s slightly off. “support@paypa1.com” is not PayPal.
• Links that don’t match. Hover over a link (or long-press on mobile) to see where it actually goes before you tap.
• Unexpected attachments. Especially .zip, .exe, .html, or Office files asking you to “enable content.”
• Requests for passwords, codes or payment details. No legit company asks for these by email.
• Too-good-to-be-true offers. Prizes, refunds and inheritances you never applied for.

AI has made phishing emails far more polished, so typos aren’t the giveaway they used to be. When in doubt, go to the company’s website directly instead of clicking. For more, see 5 Ways to Avoid Phishing Attacks and 10 Tips on How to Identify a Malware Email. You can also report scams to the FTC at ReportFraud.ftc.gov.

The Easier Way: Automatically Filter Email You Don’t Need

Here’s the problem with doing all of the above by hand: it’s a full-time job. Every block, every filter, every report is one more tiny task. And spam is only part of the story. The bigger time sink is the legit email you don’t need right now: newsletters, receipts, notifications and cold pitches.

That’s what SaneBox was built for. It works with Gmail, Outlook, Yahoo, iCloud and almost any other email account, and it uses AI to learn what matters to you.

• Only important email stays in your inbox. Everything else moves to folders like SaneLater, so you can check it when it suits you.
• SaneBlackHole makes unwanted senders disappear. Drag any email into the SaneBlackHole folder and future emails from that sender skip your inbox and get trashed automatically. No unsubscribe link, simply drag the message. Change your mind? You can undo it from your SaneBox dashboard.
• It works everywhere. Because SaneBox works on your email account, not inside one app, your trainings apply on your laptop, your iPhone and your Android phone. Train once, done everywhere.

Spam filters stop the worst of it. SaneBox handles everything else.

FAQ

Is it better to block spam emails or just delete them?

Block or report them. Deleting removes one email; reporting trains your spam filter and blocking stops that sender for good. If a spammer keeps switching addresses, set up a filter by domain or keyword, or let a tool like SaneBox catch the pattern for you. For more on blocking a specific person, see our guide on how to block emails. [link to Brief 2 once live]

Why am I suddenly getting a lot of spam emails?

A sudden spike usually means your address landed on a new list, often from a data breach or a site that sold its contact data. Check if your address appeared in a recent breach, change your passwords, and start using aliases for new sign-ups.

Will spam emails eventually stop?

Not on their own. Spammers rarely remove addresses from their lists. Reporting, blocking and filtering will cut the volume a lot over a few weeks, but some spam will always slip through. That’s why automatic filtering matters.

How do I block spam emails without opening them?

In Gmail, Outlook and Yahoo, tick the checkbox next to the email in your inbox and use the Report spam or Junk button. You can also add the address to your blocked list in settings. On iPhone, swipe left on the email and move it to Junk. With SaneBox, drag it into SaneBlackHole without opening it.

Stop Sorting Spam by Hand

You have better things to do than play whack-a-mole with your inbox. Report what you can, build the habits, and let AI handle the rest.

Stop sorting spam by hand. Try SaneBox free and let AI keep junk out of your inbox.

Fyxer and SaneBox both use AI to improve email, but they solve different problems. Fyxer is an AI email assistant that helps you work through your inbox with drafting, summaries and labels. SaneBox helps you see fewer emails in the first place by using AI filtering to surface important messages and automatically organize distractions.

The Quick Answer

If your biggest challenge is writing and managing emails, Fyxer may be the better fit. If your biggest challenge is having too many emails competing for your attention, SaneBox is designed for that.

SaneBox vs. Fyxer: The key difference

Fyxer helps you process email faster. SaneBox helps you process less email.

Since 2010, SaneBox has been learning how people manage email. Every decision it makes is informed by years of real-world inbox behavior, then personalized to how each individual works. 

SaneBox applies AI before email becomes a distraction. It learns which messages matter most and automatically filters lower-priority emails into separate folders, keeping your main inbox focused on the emails that need your attention.

Meanwhile, Fyxer helps you understand, organize and respond to messages with features like:

• AI-generated email drafts
• Email summaries
• Labels and prioritization
• Meeting notes

How SaneBox and Fyxer approach email differently

Imagine 150 emails arrive today.

With Fyxer, AI helps you manage those emails more efficiently. It can help label messages, summarize conversations and draft responses.

With SaneBox, AI helps identify which emails deserve your immediate attention. Important emails stay visible, while newsletters, promotions and other distractions are automatically filed away for later.

You still receive every email. You simply don’t have to deal with everything at once.

What is Fyxer?

Fyxer AI is an email assistant designed for people who spend a significant amount of time working inside their inbox.

Its features include:

• AI-generated email drafts
• Email summaries
• Inbox organization
• Email labeling
• Meeting notes

Fyxer is particularly useful for people who frequently need to write emails, summarize conversations or manage communication-heavy workflows.

Fyxer may be the better choice if:

• You spend hours writing emails every day
• You want AI-generated replies directly inside your inbox
• Meeting notes are important to your workflow
• You primarily use Gmail or Outlook
• You’re comfortable with premium pricing (from $22.50/month)

Most Fyxer reviews focus on its drafting and summary features, so read them with your own workflow in mind: if you write a lot of email, those strengths will matter more than if you mainly need to cut down what lands in your inbox.

What is SaneBox?

SaneBox is AI-powered email filtering software built on 15+ years of inbox intelligence. It’s designed to reduce inbox overload. Instead of helping you work through every message, SaneBox focuses on reducing the number of emails demanding your attention.

SaneBox uses AI filtering to:

• Surface your most important emails
• Move newsletters and promotions out of your main inbox
• Organize less urgent messages automatically
• Learn from your email habits over time

SaneBox never deletes your emails, it simply helps separate what needs attention now from what can wait.

SaneBox is the better choice if:

• Your inbox feels overwhelming
• You receive dozens, or even hundreds, of emails per day
• You want fewer interruptions
• You prefer your current email app 
• You want AI organization without adding another workflow
• You want a lower cost solution (plans from $7/month)

SaneBox vs. Fyxer: Feature comparison

Does SaneBox use AI?

Yes, SaneBox uses AI to understand which emails are important and which messages are less relevant to your workflow.

However, SaneBox uses AI differently from many AI email assistants. Instead of asking AI to help you respond to every email, SaneBox uses AI filtering to reduce the number of emails requiring your attention.

The goal is not to create more ways to interact with your inbox, it’s to create a calmer inbox.

That is also the theme you will see across SaneBox reviews: users tend to describe the value in terms of how much less time they spend in their inbox, rather than how fast they reply.

Is Fyxer better than ChatGPT or Claude for email?

Fyxer is designed specifically for email workflows, while general AI tools like ChatGPT and Claude are designed for a much broader range of tasks.

A general AI assistant can help you:

• Write emails
• Summarize conversations
• Brainstorm responses

As a dedicated AI email assistant, Fyxer brings similar help directly into your email workflow.

SaneBox solves a different problem: reducing the volume of email you need to review before you start writing. Many professionals may find value in using AI assistants for complex communication while using SaneBox to keep everyday inbox noise under control.

Can you use SaneBox and Fyxer together?

Yes, they solve different problems. Someone who receives a high volume of email could use:

• SaneBox to filter and organize incoming messages
• Fyxer to help draft replies and summarize important conversations

However, many users will find that reducing email volume first solves their biggest problem. Before optimizing how quickly you process email, it can help to reduce how much email you need to process.

SaneBox or Fyxer: Which is better for executives?

It depends on how the executive spends their time.

Fyxer may be useful for executives who:

• Write many emails personally
• Need frequent summaries
• Want AI assistance during communication

SaneBox will be better for executives who:

• Receive hundreds of messages daily
• Want fewer interruptions
• Need important conversations surfaced quickly

Executives often do not need another inbox feature, they need more control over where their attention goes.

Which is better for finance professionals?

Finance professionals, analysts and investment teams often deal with large volumes of communication while needing long periods of uninterrupted focus.

For these users, the question is often not: “How can I reply to emails faster?” It is: “How can I spend less time sorting through emails that do not matter?”

SaneBox helps protect focus by filtering lower-priority messages away while keeping important communications visible.

Which is better for real estate professionals?

Real estate professionals need to respond quickly to clients, leads and partners. Fyxer can help professionals draft communications faster. SaneBox helps ensure important client conversations are easier to find by reducing inbox clutter.

For people whose biggest problem is email overload, filtering can be more valuable than adding more email features.

AI filtering vs. AI labeling: which approach is better?

It depends on your problem. AI labeling helps when you need assistance organizing a large amount of information. AI filtering, the approach behind email filtering software like SaneBox, helps when you need fewer interruptions.

For people overwhelmed by email volume, reducing noise can have a bigger impact than creating more categories.

Final verdict: Should you choose SaneBox or Fyxer?

Choose Fyxer if your goal is to make email work easier with AI assistance.

Choose SaneBox if your goal is to spend less time dealing with email altogether.

Fyxer helps you work through your inbox. SaneBox helps you look at less of it.

—

If you’re weighing SaneBox vs Superhuman, you’re comparing two of the best email management tools available. But they solve fundamentally different problems. Superhuman helps you process email faster. SaneBox helps you receive less email in the first place.

The tool you choose all depends on the problem you’re trying to solve. 

If your inbox is already under control and you want to fly through messages with keyboard shortcuts, AI drafting, and a beautifully designed interface, Superhuman may be exactly what you’re looking for.

But if your problem is that you’re drowning in newsletters, notifications, CCs, automated messages, and low-priority conversations, becoming faster at email may not solve the underlying issue. You don’t need to run faster on the email treadmill. You may need to step off it, and SaneBox can dramatically cut down the email load.

Quick verdict: SaneBox vs Superhuman

What is SaneBox?

SaneBox is an AI-powered email management tool designed to help people regain control of overloaded inboxes.

Instead of asking users to manually create dozens of rules, labels, and filters, SaneBox learns from your email behavior.

It observes patterns such as:

• Who you reply to
• Which messages you open
• Which senders matter to you
• What types of emails you tend to ignore

It then automatically separates important messages from distractions.

Low-priority emails are moved out of your main inbox into folders such as:

• SaneLater: emails that can wait
• SaneNews: newsletters and updates
• SaneBlackHole: unwanted senders that disappear permanently

The result: Instead of opening your inbox and seeing hundreds of messages demanding attention, you see a smaller collection of emails that actually need you.

You don’t need to migrate your workflow or learn how to use a new inbox.

SaneBox works with the email client you already use, including Gmail, Outlook, Apple Mail, and other email applications.

What is Superhuman?

The Superhuman email app is a premium client designed around speed. Rather than improving Gmail or Outlook, Superhuman replaces them with its own interface.

Its philosophy is simple: Email takes too much time. Make every action faster.

Superhuman focuses on:

• Keyboard shortcuts
• Rapid navigation
• Split inbox organization
• Reminders
• AI-powered writing assistance
• A highly designed user experience

For people who spend hours every day inside email, these optimizations can add up. A salesperson managing dozens of conversations, a founder handling investor communication, or an executive processing hundreds of messages may really enjoy Superhuman’s speed-focused workflow, especially if design and user experience are important to them.

SaneBox and Superhuman solve different problems

Imagine receiving 150 emails per day.

Superhuman asks: “How can I process those 150 emails faster?”

SaneBox asks: “How can I make sure only the important 12 emails reach me?”

The biggest difference: where they operate

Superhuman operates at the email app level

Superhuman replaces your existing email application. You open Superhuman instead of Gmail or Outlook.

Everything happens inside its interface:

• reading
• replying
• organizing
• searching
• composing

Its advantage is speed and workflow optimization. The disadvantage is learning to use a different tool, and changing your workflows to be Superhuman-led. If you use a work email account, you’ll need to check that your organization allows integration with Superhuman (some don’t). 

SaneBox operates at the account level

SaneBox works before email reaches your inbox. It connects directly to your email account and filters incoming messages before they appear in your primary inbox.

Your email client stays the same, your workflow stays the same, SaneBox simply changes what reaches your attention.

In a nutshell: Superhuman is like buying a faster car, SaneBox is like having less traffic to deal with on the drive.

SaneBox vs Superhuman: Full comparison

1. Inbox triage and filtering

Winner: SaneBox

The average inbox problem isn’t always that people are too slow, it’s that too many things compete for attention. Every newsletter, notification, automated update, and “just keeping you in the loop” email…all these distractions add up to a feeling of overwhelm. 

SaneBox’s core job is deciding what should interrupt you. Its AI filtering engine learns from your behavior and automatically moves lower-priority messages away from your main inbox.

You spend less time deciding what matters.

Superhuman approaches this differently. Its Split Inbox feature helps users organize incoming messages into categories, but the user still works through those messages inside Superhuman.

Superhuman helps you make decisions faster.

But SaneBox reduces the number of decisions you need to make.

For someone receiving hundreds of emails per day, reducing the volume of decisions often has a bigger impact than improving the speed of each decision.

2. Speed of processing

Winner: Superhuman

Speed is Superhuman’s reason for existing. Its keyboard-driven interface is designed for people who want to move through email at maximum speed.

Users can:

• Archive instantly
• Navigate without touching the mouse
• Respond quickly
• Search faster
• Manage conversations through shortcuts

For experienced users, the difference compared with traditional Gmail or Outlook can feel dramatic.

If your inbox is already clean and your biggest frustration is that email takes too long to process, Superhuman might be a good fit. 

This isn’t SaneBox’s zone, because SaneBox isn’t trying to make you faster at reading hundreds of emails. It’s trying to ensure you don’t need to read hundreds of emails.

Superhuman makes email faster. But SaneBox makes email smaller.

3. AI writing assistance

Winner: Superhuman

Superhuman has made AI writing a central part of its product experience.

Its AI features help users:

• Draft replies
• Rewrite messages
• Adjust tone

For professionals who spend a significant portion of their day writing emails, this can be a major productivity boost.

SaneBox takes a different approach. Its AI is focused primarily on organization and prioritization rather than composition.

The question is not: “How can AI help me write this email faster?”

The question is: “Does this email need my attention at all?”

For users looking for an AI writing assistant built directly into their email workflow, Superhuman has the advantage.

For users whose biggest frustration is that too many emails demand replies in the first place, SaneBox addresses the earlier problem.

4. Follow-ups and reminders

Winner: Tie

Both SaneBox and Superhuman understand a common email problem: Important conversations get buried.

A message you meant to answer disappears. A client waiting on a reply slips through the cracks. Both products provide tools to help close those loops.

SaneBox follow-up tools

SaneBox includes features designed to surface unanswered conversations:

SaneNoReplies

Shows emails you’ve sent where you haven’t received a response.

Useful for:

• sales follow-ups
• partnership conversations
• client communication
• important requests

SaneReminders

Lets you schedule reminders for emails that need attention later.

For example:

“Remind me if I don’t hear back by Friday.”

These tools work regardless of which email client you use.

Superhuman follow-up tools

Superhuman includes follow-up reminders directly inside its application. 

5. Compatibility and switching costs

Winner: SaneBox

This is one of the biggest practical differences between the two products. SaneBox works with your existing email setup, regardless of your preferred tools.

You can keep using:

• Gmail
• Outlook
• Apple Mail
• Mobile email apps
• Your current habits and workflows

There is no migration, no new inbox, no need to relearn years of muscle memory. SaneBox sits in the background and improves the inbox you already have.

Superhuman is designed as a replacement email experience. That means users need to:

• Adopt a new application
• Learn a keyboard-first workflow
• Adjust existing habits
• Spend time becoming fluent in the system

For power users, this investment can pay off. But not everyone wants another productivity system to master.

For someone who thinks: “I like Gmail. I just wish it was less overwhelming”, SaneBox is likely the more natural fit.

6. Pricing

Winner: SaneBox

Many readers compare SaneBox pricing against Superhuman’s before deciding, and it’s one of the clearest differences between the two.

SaneBox is designed as an affordable productivity layer that most users can add without much hesitation.

Typical pricing

The price difference reflects the different products.

Superhuman is positioned as a premium productivity application for people who spend significant time inside email.

SaneBox is designed to give almost anyone a quieter inbox without a major financial commitment.

7. Privacy and security

Winner: Tie

Both companies take email security seriously.

SaneBox does not sell user data or serve advertising. Its approach is built around reducing inbox noise without requiring users to hand over control of their email workflow.

Superhuman is also a mature email platform with enterprise-grade security practices.

Neither product’s core value proposition is based on exploiting email data. The better question for users is not: “Which one is safer?” but “Which approach fits how I want to interact with email?”

Some users prefer adding a lightweight filtering layer to their existing setup. Others prefer moving into a dedicated email environment.

Can you use SaneBox and Superhuman together?

Yes. Many people assume they need to choose between SaneBox and Superhuman, but in reality they operate at different layers.

Superhuman is the interface where you process email. SaneBox is the filtering system deciding what reaches that interface.

Think of it this way:

• SaneBox reduces the workload.
• Superhuman accelerates the workflow.

Together, they address two different sources of email frustration.

A Superhuman user might still receive hundreds of emails every day. A faster interface helps, but it doesn’t change the number of incoming messages.

Adding SaneBox underneath can reduce the volume before those messages appear in Superhuman.

One way to describe the relationship:

“Superhuman is the interface I process email in. SaneBox is what decides what’s worth surfacing in the first place. One makes me fast. The other makes sure I’m only fast on what matters.”

For someone already paying for Superhuman, SaneBox doesn’t necessarily replace that investment. It can make that investment more effective.

Who should choose SaneBox?

SaneBox is the better fit if:

Your problem is email volume

You don’t need a faster way to process 200 emails.

You need fewer emails competing for your attention.

You want to keep your existing tools

If you like Gmail, Outlook, Apple Mail, or your current setup, SaneBox improves what you already use.

You value simplicity

Unlike many email management tools, SaneBox doesn’t require learning:

• New keyboard shortcuts
• A new interface
• A new workflow

It works quietly in the background.

You want better focus

A smaller inbox means:

• Fewer interruptions
• Fewer context switches
• Less time deciding what matters

You want to try before committing

SaneBox offers a free trial so users can experience the difference before paying.

Who should choose Superhuman?

Superhuman is the better fit if:

Speed is your bottleneck

If you already know what matters but processing it takes too long, Superhuman’s workflow improvements can help.

You enjoy productivity systems

Some people love optimizing workflows.

They enjoy:

• Shortcuts
• Keyboard commands
• Mastering tools
• Building efficient systems

Superhuman is designed for those users who want to devote time to mastering a new workflow.

AI writing matters

If drafting emails is a major part of your day, Superhuman’s AI features may be valuable.

You want a premium email experience

Superhuman is built around polish. For users who spend hours inside email every day, the interface itself can justify the investment.

SaneBox vs Superhuman: The final verdict

The answer depends on what you want email to do for you.

If you want to become faster at handling email: Choose Superhuman.

If you want fewer emails demanding your attention: Choose SaneBox.

For some professionals, the ideal setup is both:

• SaneBox decides what deserves attention.
• Superhuman helps you handle those important conversations quickly.

The best email system isn’t necessarily the one that helps you process the most messages.

It’s the one that helps you spend less of your life managing them.

Frequently asked questions

Is SaneBox better than Superhuman?

It depends on your problem. SaneBox is better for reducing email volume and distractions. Superhuman is better for processing email quickly through a dedicated, keyboard-focused interface. If your inbox feels overwhelming, SaneBox is usually the better starting point. SaneBox reviews tend to praise how much quieter the inbox gets, while Superhuman reviews focus on speed, which sums up the difference.

Can you use SaneBox with Superhuman?

Yes. SaneBox and Superhuman can work together because they operate at different layers. SaneBox filters email at the account level, while Superhuman provides the interface for reading and responding.

Does Superhuman replace Gmail?

Yes. Superhuman is a replacement email application that connects to Gmail and Outlook accounts. You use Superhuman instead of Gmail’s interface.

Does SaneBox replace Gmail?

No. SaneBox works alongside Gmail rather than replacing it. You continue using Gmail, or any other email provider of your choice, including Outlook, Apple Mail, and more.

Which is better for Gmail users: Superhuman or SaneBox?

Both SaneBox and Superhuman work well with Gmail, but they solve different problems. Choose SaneBox if you want Gmail to feel quieter. Choose Superhuman if you want a Gmail replacement that feels fast and looks good.

Which is better for Outlook users?

Both Superhuman and SaneBox support Outlook accounts. SaneBox is a good choice for users who want to keep using Outlook while reducing inbox clutter. Superhuman is better for users willing to move into a new email interface.

Is Superhuman worth the money?

For people who spend many hours every day processing email, Superhuman’s speed improvements may justify the premium price (US$33+ per month). For people whose main problem is email overload, reducing the number of messages by using a tool like SaneBox may deliver more value.

Does SaneBox use AI?

Yes. SaneBox uses AI-based filtering to learn which emails are important and automatically organize incoming messages.

Does SaneBox read my emails?

SaneBox is designed to prioritize email without using your inbox as an advertising data source. SaneBox never reads your email, nor does it store full bodies of email or attachments, only scanning what it needs to organize your inbox, such as headers and senders. Users who are especially privacy-conscious should review the company’s current privacy and security documentation before connecting any email service.

Which saves more time: SaneBox or Superhuman?

They save time in different ways. Superhuman saves time by making each email interaction faster. SaneBox saves time by reducing how many interactions you need to have. For people overwhelmed by inbox volume, reducing messages often has the bigger impact.

Is there a cheaper alternative to Superhuman?

Yes. SaneBox is one option for users who want to improve email productivity without paying for a premium email client. However, it is not a direct replacement. It solves the problem of inbox overload rather than email processing speed.

Should I use SaneBox and Superhuman together?

If you love Superhuman but still receive too much email, using both can make sense. SaneBox reduces the number of messages reaching your inbox. Superhuman helps you process the messages that remain. Together, they address both sides of email overload: volume and velocity.

Our most requested launch yet is finally here: SaneBox for Android is live on Google Play, and we’re so excited for you to try it.

Download SaneBox for Android

A quick reminder of what we do

SaneBox isn’t an email app. It works with the email app you already use, learning which messages deserve your attention and which can wait. Important emails stay in your inbox. Everything else moves to SaneLater and shows up in a quick daily Digest you can skim in less than a minute. 

Since 2010, more than 100,000 people have used SaneBox to get 3 to 4 hours a week back, without switching away from Gmail, Outlook, Apple Mail, or whatever app they already use.

“Email is a time thief. You don’t notice it taking five minutes here and there, then suddenly you’ve lost an hour. SaneBox gives that time back.” Ryan Coyne, CTO at Serhant

What you can do from your phone now

Check your digest. Digests land as notifications, so you can tap, scan what got filtered, and pull back anything that needs you. One minute, and you’re caught up.

Get rid of senders for good. SaneBlackHole is one tap away — then you’ll never see that sender again, on any device.

Snooze and set reminders. Defer an email to tomorrow morning, or ask SaneBox to bring it back if you don’t get a reply in three days. SaneNoReplies keeps a running list of who still owes you an answer.

Already a SaneBox customer?

Just download the app and sign in. Your existing subscription covers it.

New to SaneBox?

Start a free trial, connect your email, and let SaneBox organize your inbox. No credit card required.

Like the app? Leave a review

If SaneBox earns a spot on your home screen, we’d love it if you left us a review on Google Play. It helps more Android users find us — and it means a lot to our team. 

Thanks for sticking with us.

Dmitri Leonov

Founder of SaneBox

If you want to be more productive but struggle to get there, the problem isn’t that you aren’t capable. More often, it’s the hidden beliefs shaping your behavior without you even realizing it.  

Behavioral design expert Nir Eyal explains how you can loosen the grip of limiting beliefs and become your better self. 

Continue reading “The Hidden Beliefs That Are Sabotaging Your Focus” →

There’s a lot of conversation about what AI can do. I’m more interested in what it should do.

Should AI help you move faster? Absolutely.

Should it replace your thinking? Definitely not.

I’m Stephen Robles, a tech journalist, YouTuber, and someone who’s spent years helping people use technology to make their lives better. That’s why I’m so excited to launch this new podcast miniseries, AI in Focus, presented by SaneBox and hosted by me.

In each episode, I ask AI leaders, builders, and behavioral experts to break it down:

• How are they really using AI in their day?
• Which AI tools get them real results?
• What’s behind the AI headlines and hype?

Check out the first episode, featuring serial entrepreneur and AI operator Hiten Shah, here: https://youtu.be/Vrl5oXe1-o8

—

Stephen Robles is a tech podcaster, video producer, and the host of SaneBox’s AI in Focus. With more than 15 years in tech journalism, he shares product reviews and technology tips with more than 210K subscribers on YouTube.