On Sunday 13 Feb 2005 16:28, David wrote: > Hi all, > > I have the latest (.76) version of Bill's toaster installed on a rh9 box, > and some users of the system have been experiencing problems using outlook > when attemptimg to send large file attachments. > > When trying to send a 17MB attachment recently I got a typical result: > > Your server has unexpectedly terminated the connection. Possible causes for > this include server problems, network problems, or a long period of > inactivity. Subject 'acrobat reader', Account: > 'mail.aberfoylecomputers.com', Server: '192.168.100.1', Protocol: SMTP, > Port: 25, Secure(SSL): No, Error Number: 0x800CCC0F > > ie. it just times out, taking a lot longer than expected (on the inside of > the firewall this time, connection to the server is LAN - should only take > about 10-20 seconds). > > Is there a maximum message size limit? I have searched for similar > problems, and will keep searching, but if anyone has any ideas I'd be very > grateful for some help.
first off check the clamav settings, there is an option on size limit there but I suspect that that is not the problem, but resources. If it was a preset limit, the refusal would be instant, but the above looks like a croak. Are you running clamav/spamassassin? The latter especially can be very resource-hungry You need to note the exact time the event occurs and look at the logs /var/log/qmail/smtpd/current for the incoming /var/log/clamd/current for av scanning wherever spamassasin logs to and finally look to see if it got out in /var/log/qmail/current (probably not) check your softlimits in the various run files. HTH -- ----------------- Bob Hutchinson Midwales dot com -----------------