Thursday, October 13, 2005

Cyrus, Exim and over-quota messages

We run Exim as our mail transport agent delivering into mailboxes run by the Cyrus IMAP server. We're making use of LMTP to deliver mail from Exim to Cyrus.

One of my little bug-bears about this setup is the way it handles users who're over quota. The typical Cyrus response is to (rightly) refuse to deliver the message, which results in Exim bouncing the message "local delivery failed". There are two problems here — we're immediately bouncing mail for what's likely to be an transient problem, and we're sending it back with an essentially useless error message.

posted by guy at: 22:05 SAST | path: /systems | permanent link

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