On 05/04/17 04:45, Chris Siebenmann wrote: >> several months ago , I have seen error "more than 10 messages received in >> one connection". Upon investigation , I increased it to 200 by adding >> "smtp_accept_queue_per_connection=200" to config file. >> >> Every now and then , I see same error on log file with new count "more than >> 200 messages received in one connection" , some of emails get delivered 30 >> minutes later. >> >> What are options I have to remediate this issue and get mail delivered >> immediately ? > > Well, one obvious solution is to increase > smtp_accept_queue_per_connection to a very large number, since clearly > some of the servers connecting to you are delivering more than 200 > messages in a single connection.
You should however bear in mind that you are permitting up to that number of "immediate" deliveries running concurrently. And each delivery takes at least one process; maybe more. The flip to letting queue-runners do the deliveries is there for good reasons; that message in the log is not "an error". -- 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/
