Tmda

Python-based SPAM reduction system

Tagged Message Delivery Agent TMDA is designed to significantly reduce the amount of spam junk-mail you receive. TMDA strives to be more effective, yet less time-consuming than traditional spam filters.

The technical countermeasures used by TMDA to thwart spam include

• whitelists accept mail from known, trusted senders
• blacklists refuse mail from undesired senders
• challenge/response allows unknown senders which aren’t on the whitelist or blacklist the chance to confirm that their message is legitimate non-spam
• tagged addresses special-purpose e-mail addresses such as time-dependent addresses, or addresses which only accept certain kinds of communication. These increase the transparency of TMDA for unknown senders by allowing them to safely circumvent the challenge/response system.

TMDA can also be used as a general purpose local mail delivery agent to filter, sort, deliver and dispose of incoming mail.

WWW http//tmda.net/