We tried a Linux box that sits on the inside but that didn't work. So we concluded that this was not PIX-related.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Roger Seielstad Sent: Thursday, February 19, 2004 9:26 AM To: Exchange Discussions Subject: RE: Exchange 5.5 SMTP timeout IIRC, Size might be one of those verbs the PIX has issues with. Will it route to another box internally? -------------------------------------------------------------- Roger D. Seielstad - MTS MCSE MS-MVP Sr. Systems Administrator Inovis Inc. > -----Original Message----- > From: Fyodorov, Andrey FTL [mailto:[EMAIL PROTECTED] > Sent: Wednesday, February 18, 2004 11:11 PM > To: Exchange Discussions > Subject: Exchange 5.5 SMTP timeout > > > One of the Exchange 5.5 servers at this place has a few large > messages in > its outgoing IMC queue and can't send them. > > Normally the server sends all outgoing mail to a couple of > Exim boxes. For > some reason it can't push these messages out. Other outgoing > messages are > flowing fine. > > I can see in the logs that the SMTP conversation is going on > correctly until > the Exchange server sends DATA and Exim says "Enter mail, end > with "." on a > line by itself" > > I am not sure if the Exchange server actually sends any data > after that. But > it just silently disconnects 10 minutes later. > > I don't think that this is a problem with Exim. I have tried > to point this > 5.5 server to other SMTP servers (Sendmail, Exchange 2000) > with the same > results. I have also configured it to use DNS - it makes > connections to the > remote hosts and then times out 10 minutes later. > > I think I have run into some similar problems some time ago, actually > supporting Exchange 2000 SMTP boxes, but I can't quite remember now... > > This 5.5 server is behind a PIX firewall. Could that cause > problems with the > DATA command? or maybe it somehow screws up the SIZE command? (smaller > messages are moving fine, but these 3-5MB messages are getting stuck) > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&t ext_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with. _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang =english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with. _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with.
