> I am experiencing an odd error with SBS 2000 and email. I have approximately six > different domains that I manage email for and all of them are working fine with the > exception of one. All are configured identically (DNS entry, MX entry, recipient > policy entry) but for some reason one of the domains is generating the following > error every time the user tries to send or reply to an email. They can receive email > without problems, they just can not send or reply. There is only one user in this > email domain and they are able to ping the DNS entry for their domain. > > The user is on an XP system and has configured to use pop3 when connecting to > our Exchange server. When they were configured to get email via the Exchange > connection they were getting an error that the exchange server was not available. Since it is only one user having this problem, sounds like he/she needs to check "Outgoing (SMTP) server requires authentication." on the e-mail client software. John Tolmachoff MCSE CSSA Engineer/Consultant eServices For You www.eservicesforyou.com