Spamresponder provides a simple and radical spam filter using DNS validation and challenge/response.
Spamresponder is a very simple and radical spam filter, combining DNS validation with the challenge/response approach. It will go through all mail messages in /var/mail/$USER, looking for specific "trusted" strings in the header and body parts of the mail.
It will delete and send an automatic reply to messages which have no "trusted" strings inside them. Those replies will include one of the "trusted" strings, so the recipient just needs to reply to this confirmation message.
The MailFrom-address of an email containing a trusted string becomes a trusted string itself.
Requirements:
· FileHandle::Unget (required)
· Mail::Mbox::MessageParser (Default branch) (required)
What's New in This Release:
· implemented mbox-locking
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