Re: [exim] Max messages per connection

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Author: Tech Gurus
Date:  
To: Jeremy Harris
CC: exim-users
Subject: Re: [exim] Max messages per connection
Thanks.. Does adding "queue_run_max = 15 and remote_max_parallel = 15"
helps ?

On Wed, Apr 5, 2017 at 5:16 AM, Jeremy Harris <jgh@???> wrote:

> 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
>
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