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Originally Posted by WipeOut
I am trying to work out how to setup an email server with the following features.. (No I am not an ISP I just think that an ISP type mailserver would be the best answer.)
1. SMTP / POP3 / IMAP + SMTP TLS / POP3s / IMAP4s would be nice..
2. POP before SMTP or SMTP Auth for roaming users..
3. Per user configurable (can be increased or decreased) mailbox quota's..
4. Virtual users stored in MySQL DB (I don't want system accounts for each mailbox..
5. Webmail
6. Scaleability ( I want to be able to partition the system later if needed eg 1 or more servers for inbound SMTP, 1 or more servers for outbound SMTP and 1 or more servers for POP3/IMAP..
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All the above is quite possible to do, until you get to point 6, multiple SMTP servers should be no problem, multiple POP3/IMAP boxes becomes a challenge because you need a way of splitting the data out, or sharing it across multiple boxes, this introduces lots of complexities.
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Also I think the theory of Maildir sounds good so I would rather use Maildir instead of the Mailbox format..
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If you ever end up with any large mailboxes, you will certainly feel the benefit of maildir over mbox.
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What mail server software do the ISP's on this forum use because I am sure I am missing something here?? There must be an easy way to do this..
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We have implemented the above (minus point 6 and quotas) using all open source packages. Quota functionality should be possible to add, although there are some issues that need to be thought about..
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BTW, cost is an issue so the system needs to be free or fairly cheap..
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All the software is freely available, it will either cost you time to implement it, or money to get someone else to do it for you..