* Philip Hazel <ph10@???> [20030901 12:10]: wrote:
> On Sat, 30 Aug 2003, Stephen Malenshek wrote:
>
> > Over the past week I have been getting ALOT of calls of clients trying
> > to send e-mail to our SMTP servers, which are both running the same
> > configuration, that the connection to the SMTP server is timing out. I
> > the logs on our side, we are seeing the error of 'incomplete transaction
> > (RSET)' on SOME of them. I really have not found a good reason why this
> > is occuring, so obviously I can not figure out how to correct this. I
> > know that this probably can be caused by a wealth of different things,
> > but the strange thing is it is not happening to everyone, and not even
> > in specific areas. Please let me know your thought on what might be
> > causing this. I know I have not included much specific information,
> > because I really do not know what to include. All I do know is I have
> > to get this resolved quickly, I have lost at least 30-40 users this week
> > because of this specific problem. Thanks in advance.
>
> This is just one possibility:
>
> A problem with certain Windows clients was identified and discussed on
> this list last week. It was concerned with the "Nagle algorithm" feature
> of TCP/IP protocol implementations. I happened to be updating the FAQ
> last week, and this is what I added to it:
>
> Q0088: The Windows mailer SENDFILE.EXE somethings hangs while trying to send a
> message to Exim 4, and eventually times out. It worked flawlessly with
> Exim 3. What has changed?
s/somethings/sometimes/
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