Currently, I'm using Cyrus and Postfix on the same box, everything works
fine.
Due to the high load of the server, I'm going to split the server into
several machines.
Users are kept in MySQL database, each email has its own login and password:
joe@domain, user-001, password
mary@domain2, user-002, password2
Right now, when Postfix receives email to joe@domain, it delivers it to
Cyrus using local sockets (lmtp) to user-001.
With separate machines, it doesn't work.
First, Postfix machine receives email to joe@domain.
Then, it sends it via lmtp (tcp) to Cyrus machine, with the address
joe@domain.
Cyrus wants to deliver the mail to "joe" mailbox, which doesn't exist -
cyrus should deliver the mail to "user-001":
connection from postfix1.domain [10.1.1.5]
about to exec /usr/lib/cyrus-imapd/lmtpd
login: postfix1.syneticon.net [10.1.1.4] cyruslmtp PLAIN User logged in
verify_user(user.joe) failed: Mailbox does not exist
Unfortunately, I'm not even sure where to fix the problem, as when
Postfix attempts to deliver mail via lmtp/tcp, Cyrus/lmtp doesn't even
do any lookups in MySQL database.
I started lmtpd with "-a" parameter, as hosts are in a trusted network:
lmtp cmd="lmtpd -a" listen="lmtp" prefork=1
Anyone knows how to fix this issue?
In other words, lmtpd, when receives an email to joe@domain, should
perform a lookup in MySQL database:
SELECT dest FROM virtual WHERE alias='joe@domain'
--
Tomasz Chmielewski
----
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