Author: Tom Kistner Date: To: James Green CC: exim-users Subject: Re: [exim] SMTP timeout while connected to <x> after sending data
block
James Green schrieb:
> I don't know if this additional information helps at all, but the
> portion of the message being delivered before the connection dies seems
> to be consistent for a given message (sometimes exactly the same for
> every delivery attempt of a given message, sometimes within ~5% of a
> mean value for a given message) but varies considerably between
> messages. Could if be that there's some block of data part way through
> the messages that is breaking things? It seems odd that this would have
> affected half a dozen messages within a couple of days, though.
Wedged TCP connections after some 10-500k of data usually point to
window scaling problems. But since you already turned that off (on the
sending server?), I guess it is a dumb snort-like traffic mangler "IPS"
that generates false positives. Try to get a contact on the receiving
side. :)
