SpamAssassin Alternatives

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.

Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

MailScanner is a open source email security system design for Linux-based email gateways.

Spam Reader is a free anti-spam add-on for Microsoft Outlook.

Scrollout is a free and easy to use anti-spam email gateway designed for Linux & Windows administrators without advanced email security experience.

Over 8 million people use MailWasher as their spam filter

Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.

Open Source Free Trial $0.81 / Monthly (Per User)

The free Anti-Spam-Filter Spamihilator removes more than 98% of spam mails before they even get into your inbox.

Save time by adding powerful spam filtering to the e-mail client on your Mac.

SPAMfighter and Microsoft have built the strongest and most effective anti spam filter for Outlook, Windows Live Mail, Outlook Express & Thunderbird

Oikik is a cloud-based email filtering service that works with your existing email service.

Anti-spam gateway blocks more than 99% of spam with less than one in 1 million false positives and...

Protects your company by blocking spam and virus before they reach your network.

paid Free Trial €4.9 / Monthly (1 domain with 100 MB traffic)