MailWasher alternatives for Mac

MailWasher has no Mac version, so the best MailWasher alternative for a Mac is one that does its job in another way. Alrighty is the pick if you use iCloud, Gmail or Outlook: it checks new mail for phishing on your Mac, sends sure phishing to Junk, and ends a sender's mail in one action. SpamSieve is the closest filter that runs on your Mac with Apple Mail. Clean Email and SaneBox act on the server, as MailWasher does, so they work while your Mac is off. Your provider's own filter and rules are free and already on.

Most MailWasher alternative lists are software directories. They list Windows programs and business mail filters, and none tells a Mac user which tool does what MailWasher did: let you look at mail on the server and get rid of the junk before it reaches your apps. This page sorts the Mac options by that job.

How we checked

We read each vendor's own product, help, pricing and privacy pages on November 4, 2026. Every fact about another product links to its source, and where a page didn't say something, we say so. We compared price, the accounts each tool works with, whether it acts on the server or on your Mac, whether it lets you judge a message before you open it, and whether it covers your phone. We did not test the tools. We list only tools you can install or use on a Mac today. Alrighty is our app, and it's listed first.

What MailWasher does, and why Mac users can't use it

MailWasher Pro is a spam filter for Windows from Firetrust. Its download page describes it as a program "that lets you preview and delete unwanted emails before they reach your inbox, so junk never touches your computer" (MailWasher). It checks your accounts before your mail app does. You see a list of new mail, you judge each message from its sender, headers and links, and you delete the spam on the server.

Its own FAQ lists what it uses to spot spam: blacklists, custom rules, keyword filters, Bayesian learning, real-time blackhole lists and a friends list. It says phishing attempts "are flagged and can be auto-deleted," and that it lets you see "where the website links actually point to." It also says it can block mail "before they download images."

The Mac answer. The same FAQ says "Is there a Mac version? Not currently. MailWasher Pro is Windows-only." Its current version, 8.5.1, lists Windows 7, 8, 10, 11 and Vista. The home page offers a free mobile app: "Stay spam-free on the go with our app for Android and iPhone devices" (MailWasher). MailWasher Pro starts "From $49.95," with a free version limited to one account.

So a Mac user who wants MailWasher's job done has three ways to get it:

• On the server, before any app. Your provider's filter, Clean Email and SaneBox move or hold mail in your mailbox. The result shows in every app and on your phone, with your Mac off.
• On your Mac, as mail arrives. Alrighty and SpamSieve judge new mail on your Mac. Alrighty's checks run with no server call, and SpamSieve sends nothing anywhere.
• Safe to look at. MailWasher's preview kept spam from loading images or showing you its tricks. Alrighty warns on likely phishing, and both Alrighty and Apple Mail hide your address when remote images load.

MailWasher alternatives at a glance

Tool	Price	Accounts	Where it acts	Works with your Mac off	Help judging a message	AI on by default
Alrighty	14-day trial with no card, then Free or Pro	iCloud, Gmail, Outlook	Your Mac; Clean up sorting on its server	No	Phishing warning; images through a cookieless proxy	Your own AI: off until you connect it. Reply drafts and Clean up: on when signed in
SpamSieve	$39.99 once	IMAP, Exchange, POP in Apple Mail and others	Your Mac	No	Color shows how spammy each message is	None stated
Clean Email	Plans for 1, 5 or 10 accounts	Gmail, Yahoo, Outlook, AOL, iCloud, IMAP	Clean Email's servers	Yes	Screener holds new senders for review	Not a headline feature
SaneBox	From $7 a month	Your current mailbox	SaneBox's servers, headers only	Yes	Sorts by sender and subject	Optional AI features
Your provider's filter	Free with the account	iCloud, Gmail, Outlook.com	The provider's servers	Yes	Gmail and Outlook warn on suspicious mail	Not stated
Apple Mail	Comes with macOS	Any account in Mail	Your Mac	No	Junk filter; Mail Privacy Protection hides your IP	Apple Intelligence summaries, where available

Alrighty: best MailWasher alternative for iCloud, Gmail and Outlook on a Mac

Alrighty is a mail app for Mac, Windows and Linux that puts iCloud, Gmail and Outlook accounts in one inbox. It doesn't sit in front of another mail app the way MailWasher does. It's the app you read in, and it deals with junk as mail arrives.

• Phishing checks. New mail is checked for phishing on your Mac, with no server call. A message that is sure to be phishing goes to Junk before you see it. A likely one stays in your Inbox with a warning, so you judge it before you click anything. That's the part of MailWasher's preview that protects you most. Our phishing email checker guide covers the signs to look for.
• Stop mail. One action ends a sender's mail. It unsubscribes every way the message offers, archives their mail, and moves new mail from them out as it arrives. That replaces MailWasher's blacklist plus auto-delete. It unsubscribes only from senders whose mail passed DMARC and wasn't marked spam, so a scammer never learns your address is live.
• Clean up. It lists the senders you likely don't want, such as scams, cold outreach and newsletters you never open, so you can stop them all at once.
• Filters. These catch a kind of mail that comes from a new sender each time, like cold sales, which a blacklist can't. Describe it in your words or set rules. New Inbox mail that fits moves to Archive. Mail from people you wrote to is never moved.
• Images. Remote images load through a cookieless proxy, Alrighty's server when you're signed in, so the sender never sees your Mac's address. There's no "Load images" switch, and a tracking pixel can still show that the mail was opened.

Price. A 14-day trial with no card, then a Free plan or Pro.

Where it acts. On your Mac. Your mail stays with iCloud, Google or Microsoft, and Stop mail's archive and moves happen in your real mailbox, so they show on your phone too. Clean up sends each sender's address, three facts the receiving server found, and up to 3 of their newest emails (2,000 characters each) to Alrighty's server, which asks an AI model to sort them. A filter you describe in words also asks a model through that server. Signed in, Clean up sorts senders in the background, and opening a reply starts a suggested draft. Signed out, nothing goes to Alrighty's server.

What it can't do. There's no iPhone app, so its checks run only while your Mac is on. It takes iCloud, Gmail and Outlook accounts only, not Yahoo, AOL, Fastmail or other IMAP, which MailWasher handles. It has no calendar, and it's new, with no long track record. See everything Alrighty does.

Pick it if you want junk stopped and phishing flagged in the app you read mail in, with iCloud, Gmail or Outlook.

SpamSieve: best for a learning filter that runs on your Mac

SpamSieve is the Mac filter closest to MailWasher's Bayesian side. It "learns and adapts to your mail," keeps an allowlist of people you've written to, and keeps a blocklist you can add rules to, including regular expressions (C-Command). It works with "Apple Mail (Mail.app), Outlook, Airmail, MailMate, GyazMail, and more," with IMAP, Exchange and POP accounts.

Help judging a message. "Colors show how spammy each message is, so you can quickly focus on the borderline ones." It says it decodes disguised messages and "looks inside attached images and documents" for spam.

Where it acts. On your Mac. It "does not need access to your mail account login and does not transmit your mail data anywhere. All the processing is done on your Mac."

Price. $39.99 for one license, or $63.98 for a family or two users (store).

What it can't do. It filters after your mail app downloads the message, not before. It needs your mail app running on the Mac. There's no iPhone version, though your Mac's filtering syncs to your phone through IMAP or Exchange (manual). It doesn't unsubscribe you. Our SpamSieve alternatives page covers its limits in more detail.

Pick it if you keep Apple Mail and want the Bayesian filter and block rules you had in MailWasher.

Clean Email: best for holding mail on the server for your review

Clean Email is the closest Mac option to MailWasher's "look first" idea, because it acts on your mailbox before you open your mail app. Its Screener "intercepts messages from new senders and safely holds them in quarantine for your review (nothing is lost)" (Clean Email). You choose what it holds: mailing lists, automated messages, or people writing for the first time.

Beyond the Screener. It "will send unsubscribe requests on your behalf and block mailing lists and senders who do not respect such requests" (Clean Email). Auto Clean rules act on new mail.

Accounts and apps. Gmail, Yahoo, Outlook, AOL, iCloud and any IMAP service. It runs on iPhone, iPad, Android, Mac and the web.

Where it acts. On Clean Email's servers, which index your mail's "sender and recipient details, subjects" and other metadata. It says it won't read bodies, but fetches them to show full previews (privacy).

What it can't do. Its pages make no phishing claims and describe no learning spam filter. One more company holds access to your mailbox. Its plans page showed no prices when we read it.

Pick it if you want unknown senders held on the server until you say yes, with your Mac off and on your phone.

SaneBox: best for moving unwanted senders out on the server

SaneBox connects to your mailbox from its own servers and moves mail into folders there, so every app and device sees the result. It reads headers only: "We only access the envelope and header data associated with your emails" (privacy).

The blacklist. Drag a message into @SaneBlackHole, and SaneBox learns "to always send future emails from that sender straight to SaneBlackHole." It trashes them after 7 days (help). That's the nearest thing on a Mac to a MailWasher blacklist that runs on the server.

Price. Plans "start at just $7 per month" (SaneBox). There's no free plan.

What it can't do. SaneBox sorts by importance. The pages we read don't describe spam or phishing filtering, so it doesn't preview or flag scams. Our SaneBox alternatives page has more.

Pick it if you want a sender sent away for good on the server, in every app, and you'll pay monthly.

Your provider's filter and rules: best free alternative on the server

iCloud, Gmail and Outlook.com filter spam on their servers before it reaches any app. That's the same place MailWasher works, and it's free. Gmail warns when a message may be "a trick to get you to share personal information" (Google). Microsoft disables links and code in messages in the Junk Email folder (Microsoft).

Your own rules. Each provider has server rules you set on its website, such as deleting all mail from a domain. Our guide on how to stop spam emails has the steps for iCloud.com, Gmail and Outlook.com, and the block a sender page covers blocking.

What it can't do. You don't get MailWasher's list of every new message to approve. Each account learns on its own. Cold sales mail from a real domain often gets through.

Pick it if you want spam stopped before any app sees it, at no cost.

Apple Mail: best free option for reading spam safely

Apple Mail's junk filter learns from each message you mark: "Each time you confirm a message as junk or not junk, the junk mail filter improves" (Apple). Block Sender takes up to 3,000 addresses.

Reading spam safely. With Protect Mail Activity on, "your IP address is hidden from senders and remote content is privately downloaded in the background" (Apple). That covers part of what MailWasher's image blocking did.

What it can't do. It filters after mail downloads, on your Mac, while Mail runs. Apple's junk page describes no phishing warning.

Pick it if you want a free filter and safe image loading in the app that came with your Mac.

How to choose

• Junk stopped and phishing flagged in one Mac app, with iCloud, Gmail or Outlook: Alrighty.
• A learning filter and block rules like MailWasher's, in Apple Mail: SpamSieve.
• New senders held on the server for your review, on every device: Clean Email.
• A server-side blacklist for senders, for a monthly fee: SaneBox.
• Free, on the server, before any app: your provider's filter and rules.
• Free, on your Mac, with images loaded privately: Apple Mail.
• Yahoo, AOL or another IMAP account: SpamSieve or Clean Email. Alrighty doesn't take them.

Questions

Is there a MailWasher for Mac?

No. MailWasher's own FAQ says "Is there a Mac version? Not currently. MailWasher Pro is Windows-only." Its home page offers a free mobile app for Android and iPhone. On a Mac, use one of the tools above.

Can I run MailWasher on a Mac some other way?

MailWasher lists Windows 7, 8, 10, 11 and Vista as its systems. Running Windows software on a Mac needs a separate Windows setup, which MailWasher's pages don't cover. A Mac tool from this page is simpler.

Does deleting spam in a Mac mail app delete it on the server?

For iCloud, Gmail and Outlook, yes. These accounts keep your mail on the server, and a delete in your mail app deletes it there too, so it disappears from your phone as well. iCloud Mail uses IMAP and "does not support POP" (Apple).

Is it safe to open a spam email on a Mac?

Opening it is usually safe. Clicking its links, opening its files or replying is not. Remote images can tell the sender you opened it, which Apple Mail's Protect Mail Activity and Alrighty's image proxy limit by hiding your address. Never use the unsubscribe link in a scam.

What replaces MailWasher's bounce feature?

Nothing on the Mac tools we checked sends a fake "address not found" reply, and MailWasher's current FAQ doesn't describe one either. Junk filters, blocks and Stop mail move or end the mail instead. For a real company's list, unsubscribing ends the mail at the sender.