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http://bugs.exim.org/show_bug.cgi?id=1253 Summary: Messages rejected with 421 are delivered Product: Exim Version: 4.72 Platform: All OS/Version: All Status: NEW Severity: bug Priority: medium Component: Delivery in general AssignedTo: [email protected] ReportedBy: [email protected] CC: [email protected] We had a problem on our Exim servers recently, where mainlog and rejectlog got chown'ed to the wrong user, due to a log rotation cockup. I've managed to reproduce this issue in out test environment. 1. Start Exim. 2. While Exim is running, chown mainlog and rejectlog to, say, root, so that Exim can't write to them. 3. Try to deliver a mail from a remote machine via the local Exim, via SMTP. 4. Exim will respond with "421 <hostname> Unexpected failure, please try later - closing connection." after end of DATA. 5. However, the message will still end up on the queue and will get delivered on the next queue run, by the looks of things. Obviously, this has the effect of sending out multiple copies of the same message, one for each retry after a 421. -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at https://lists.exim.org/mailman/listinfo/exim-dev Exim details at http://www.exim.org/ ##
