Anti-Spam SMTP Proxy Server AlternativesAnti-Spam Tools and other similar apps like Anti-Spam SMTP Proxy Server

Over 8 million people use MailWasher as their spam filter

Introducing MailWasher, the leader in spam filter software, and the easiest way to check and manage your e-mails before you download them.

MailWasher is free to use and wont ever expire. It works with Outlook, Outlook Ex.

BoxTrapper is a tool that filters spam from your inbox through a process called challenge-response verification. When an account that has BoxTrapper enabled receives an email, it automatically sends a customizable verification email in response.

Save time by adding powerful spam filtering to the e-mail client on your Mac. One of the only standalone spam filtering softwares for Mac.

BitNinja provides 3E Linux server protection for large hosting providers and small businesses equally. The three E stands for: effective, effortless, and enjoyable.

Use this program to "Unspam" your mailbox(es). The program can be integrated with the mail server to automatically filter all mail for a site. It can also be run by individual users on their own mailbox and integrates with several mail programs.

Proxmox Mail Gateway is the leading open-source email security solution helping you to protect your mail server against all email threats the moment they emerge.

AntispamSniper for The Bat! is a powerful antispam and anti-phishing plugin, providing advanced email protection and filtering for The Bat! email client.

MailScanner is a open source email security system design for Linux-based email gateways. It is used at over 30,000 sites around the world, protecting top government departments, commercial corporations and educational institutions.

Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules including regular expressions, statistical analysis and custom services such as URL black lists.

Scrollout F1 is a free self-hosted email gateway designed for Linux & Windows administrators without advanced email security experience.

Bogofilter is a mail filter that classifies mail as spam or ham (non-spam) by a statistical analysis of the message's header and content (body). The program is able to learn from the user's classifications and corrections.

Spam Reader is a free anti-spam add-on for Microsoft Outlook. The software uses the most reliable approach to block junk emails - Bayesian algorithm based on statistical analysis, capable to be adjusted to user's needs and detect up to 98% of spam messages.