Postgrey

Postgrey is a Postfix policy server implementing greylisting developed by David Schweikert.

Altospam

Antispam and antivirus software on Cloud

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Happy Moose is a super-efficient cloud anti-SPAM solution for organizations. It stops up to 99.

K9 is an email filtering application that works in conjunction with your regular POP3 email program…

MXSAVE is an email disaster recovery service that works seamlessly with on-premise or hosted anti-spam solutions.

MailRoute is a secure, hosted email filtering service that you can have up and running in minutes without any hardware or software to install.

Everything in one place. Whenever you need it.

Run phone validation directly on Google Sheets

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

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

The SpamBayes project is working on developing a statistical (commonly, although a little…

Spamato is a spam filter system that combines several anti-spam techniques, from which thousands of…

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

Get your encrypted mailbox for free.

This program helps you block spam and worms before they reach your mailbox.