email server concept: what's mail delivery agent

Zhang Weiwu zhangweiwu at
Thu Jun 3 09:59:21 EDT 2004

Simon Matter wrote:

>Forget about maildir and such. Cyrus-imapd is a mailserver, not a
>fileserver. By mailserver I mean imap, pop3, sieve but also mail storage
>or mail searching. You simply don't care about how cyrus-imapd stores
>mails and metadata when you configure an MTA to work with cyrus-imapd,
>just feed mail to it via LMTP and access it through IMAP, POP3 whatever.
>Of course it can be interesting to know how cyrus-imapd stores mails in
>case of a desaster recovery procedure or if you want to move accounts to
>other servers, but that's another issue which again has nothing to do with
>postfix or any MTA.
I'm a newbie but I don't know why I need to use lmtp at all. I was told 
by the comment in and that I can use
mailbox_transport = cyrus
and deliver(8) will be called to do mail delivery. Since I'm runing a 
single server, is there any obvious reason I should use lmtp at all?
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