[Dovecot] PATCH: sendmail-like DSNs in Dovecot deliver (EX_TEMPFAIL always)
tss at iki.fi
Sun May 13 20:34:58 EEST 2007
On Sun, 2007-05-13 at 18:16 +0300, Timo Sirainen wrote:
> I don't think there are any useful exit codes in sysexits.h. Hmm.
> Deliver fallbacks always trying to write mail to INBOX if it couldn't
> write it elsewhere. So INBOX writes can fail only with:
> 1. permission problems
> 2. out of quota
> In INBOX cause 1. is probably a configuration problem. In this case it
> should be treated as temporary problem.
> 2. should probably be configurable, as some people want it to be a
> temporary failure and others want it to be a permanent failure.
> I guess I'll have to go and fix Dovecot's error handling a bit.
Dovecot can now internally report these failures:
/* Temporary internal error */
/* It's not possible to do the wanted operation */
/* Invalid parameters (eg. mailbox name not valid) */
/* No permission to do the request */
/* Out of disk space or quota */
/* Item (eg. mailbox) doesn't exist or it's not visible to us */
/* Tried to access an expunged message */
I also added quota_full_tempfail setting to control if it should return
EX_TEMPFAIL or bounce the mail. All other errors are treated as
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