Tests to where? I'm thinking that if your IMC is configured to allow this machine by IP address, that error isn't being generated by your Exchange box, but by the remote host, which is trying to do a lookup on your Unix box and failing.
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > Posted At: Friday, March 01, 2002 10:23 AM > Posted To: MSExchange Mailing List > Conversation: SMTP Question > Subject: SMTP Question > > > Hi, > Our Unix folks are trying to send mail via our Exchange IMC > box. Their machine is allow to relay in the IMC routing > configuration. In tests the mail fails delivery with an error > message "553 5.1.8 Domain of sender address does not exist. > The From address of the email has the FQDN of the server. I > believe it fails because any reverse lookups will be unable > to resolve the domain name in the From address. Do I > understand this correctly? Just trying to do my homework. > > Mort Billups > Crowley Maritime Corporation _________________________________________________________________ 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]
