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Postfix Policy Server - e-mail administrators assert server-side SPAM/UCE filter control using SQL based white and black lists. Wildcards provide granular control of source user names, domains, and IP addresses on a per recipient basis.
Perl cgi for virtual users/virtual domain for exim and tpop3d management. White/black lists per user/domain, quota, etc. No any db, all data stored in plain-text files. Exim, tpop3d and apache config included. Intend for small (10-100 users) mail system.
This project is a qmail-spp plugin that provides simple and powerful white, black, and regexp list management and logging for mail servers using qmail. At any SMTP phase, simple or regexp lists can be applied, logged, and even auto-generated.