On 07/03/17 09:28, Peter Rindfuss wrote: > We are using Exim 4.88 on Debian with a non-Debian config. We deliver to > our mailboxes on a separate Dovecot IMAP machine using LMTP over TCP > (SMTP transport). A few times a day we see "Connection timed out" on the > transport. It strikes me as odd that the time between the reception of a > message and the delivery timeout is typically around 20 seconds, whereas > all timeout values are at their defaults, which is 5 minutes for > connect, command and data. Any ideas on this?
A shorter system-level timeout may be being applied, firing before the Exim one. Have a look around /proc/sys/net/ipv4 for values such as "tcp_syn_retries". -- Cheers, Jeremy -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
