GitHub - hajzer/bash-postfix-encrypt-filter: This is a postfix content filter written in BASH scripting language which automatically encrypt email messages with email encryption standards as S/MIME and PGP/MIME.
Postfix Master (Documentation) | PDF | Internet Protocol Based Network Software | Software Development
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Anti-Spam/Anti-Viral Gateway This presentation will give an overview of a modular and extensible Anti-Spam/Anti-Viral filtering Gateway. - ppt download
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