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An advanced qmail distribution based on qmail-sql which has SMTP, SMTPS, POP3, POP3S, IMAP, IMAPS services, a content scanner, spoofing protections, SMTP AUTH support, SMTP-after-POP/IMAP, PHP5 API, SPF support and much more...
A mail system currently consisting of MDA, POP3, and IMAP servers that uses a SQL database for the mail store. This adds performance improvement as well as scalability and flexibility.
IMAP4 server working on top of SQL database (currently PostgreSQL but Oracle may work too). It has some unique features like elimination of duplicate messages throughout the whole system, possibility of clustering or load balancing etc.
All effort are being directed to the Squirrelmail Project which is also here on Source Forge. SquirrelMail has an excellent start on something that will be spectacular in the years to come. Go check it out at www.squirrelmail.org
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