Regarding NIC issues and connection timeouts maybe this will help you if your server is under a relative high load (100.000+ msgs/day)
http://www.mail-archive.com/[email protected]/msg96372.html Markus > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of mail-lists > Sent: Wednesday, June 08, 2005 11:15 PM > To: [email protected] > Subject: [IMail Forum] send error 10053 > > Hi All, > > I'm having an issue with my Imail 7.15 server. There are > actually multiple issues but I believe all come from one source. > > Lots of times upon sending to certain domains, our mail > server will pause between the sending of the data, to sending > the . to indicate that the e-mail has completed (sometimes up > to 15 minutes). This in turn causes the remote server to > sever the connection. IMail thinks that the msg never got > sent and re queues it. However every time this happens, the > remote user receives duplicate copies up until I delete the > msg from the queue or it reaches the maximum and returns back > to the sender as undeliverable. > > The 2nd issue is lots of timeouts upon checking IMAP and > POP mailboxes. This happens more often if there are a large > number of messages to download or synch. The error received > here is 10053. On other similar winsock errors, people were > told to change NIC settings, or just buy a better one... The > one we have is a "3Com Gigabit Ethernet Server NIC (SX/TX)". > > So far I've dropped it down to full duplex 100mb/s and > turned the jumbo MTU frames on and set to 1500. Are there > any other settings I might change? I might try another built > in NIC that the server has tonight just to see if that makes > things any better. > > Thanks! > > Cavell > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
