Email tracker, read receipt and spy pixel blocker plugin for macOS Mail (10.11-13.x)

A Google Apps Script that helps you delete Gmail messages older than n days that match your custom regex filters.

Thunderbird mail filter search term using mailing lists (and not whole addressbooks).

Multi-server mail filtering daemon supporting IMAP, POP and SMTP.

Email tracker, read receipt and spy pixel blocking macOS Mail extension

Evolution filters to scan mail for viruses with ClamAV.

Issue tracker for SieveManager

a bayes classifying spam mail filter written in Go

A mail filter scripting language. The script is transpiled to a maildrop script.

mail filter to replace MS Word/HTML attachments with plain text

SpamPD - Spam Proxy Daemon. A spam-filtering SMTP/LMTP proxy server using SpamAssassin in Perl. Since 2002.

Implement and Evaluate Perceptrons for text classification

Implement and Evaluate Naive Bayes for text classification

Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.

Submits mail attachments to a Scanarium instance

Thunderbird addon for enhancing mail processing filters, including scripting support.

Mail box filter and self learning spam detection service.

Spotlight Metadata Query to be used with Mac outlook to filter automated e-mails