Test your connection to these remote servers without going through the firewall. Check the firewall logs, etc.
It seems that there is some issue going on with the firewall. *ASB *(My XeeSM Profile) <http://XeeSM.com/AndrewBaker> *Exploiting Technology for Business Advantage...* * * On Mon, Oct 4, 2010 at 12:29 PM, [email protected] <[email protected]>wrote: > Thanks for the reply. > > The PC uses a different firewall rule than the 2 servers, but I moved one > of the exch servers to the rule the PC was using (which is an allow-all > outbound) and the problem still existed when i tested that last night. > > The exchange 2003 server CAN telnet into the 2007 server without problem > and vice versa, but BOTH have problems with "connection to host lost" when > going out to the internet. I have tried telnetting into multiple (5-10) > mail smtp servers, and they all drop. > > I tried bouncing my firewall (ISA 2006). > > Appreciate the ideas... keep em coming :) > > J > > > Original Message: > ----------------- > From: Paul Hutchings [email protected] > Date: Mon, 04 Oct 2010 12:02:37 -0400 > To: [email protected] > Subject: RE: outbound smtp broke (connection to host lost) > > > If you were on a DNS blacklist I would expect you to get a clean 5xx > reject, not a disconnect. > > I'd be looking at your firewall. > > Do your Exchange servers go out through the same rule as your PC does? > > Do both servers talk happily enough to each other or is it only when it's > to external servers? > > Have you tried telnetting to multiple mail servers? > > Are you receiving mail just not sending? > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > -------------------------------------------------------------------- > mail2web.com – Enhanced email for the mobile individual based on > Microsoft® > Exchange - http://link.mail2web.com/Personal/EnhancedEmail > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
