I'm taking a stab here, but I think I'm right. There doesn't appear to be a reverse DNS entry at all for exchange.cityhall.luminet.net - and I'll bet that they are doing reverse DNS based on your inbound connection, getting no response, and dropping the connection.
------------------------------------------------------ Roger D. Seielstad - MCSE Sr. Systems Administrator Peregrine Systems Atlanta, GA > -----Original Message----- > From: Bill Kuhl [mailto:[EMAIL PROTECTED]] > Sent: Monday, March 25, 2002 9:45 AM > To: Exchange Discussions > Subject: RE: Any Explanation? One Way Email > > > Tris: > > Does this mean you have seen this sort of thing before? What > puzzles me is we send out thousands of emails just fine. > > I just talked to our consultant again and he said there is > some kind of conversion in our domain name going on, maybe > the problem could be related to that. > > Bill > > It's the last bit - 'host unreachable' that is more > important. Usually (from my experience) a DNS issue and if > your ISP gets through could either be a DNS at your site or > possibly a firewall issue at their site. > > Tris > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

