Looks like it has to do with authenication protocols and could possibly be a mis-configured SMTP server on Cox's end.
http://help.lockergnome.com/office/553-domain-list-allowed-rcpthosts-ftopict428954.html http://www.palomine.net/qmail/relaying.html On 12/19/07, Winterlight <[EMAIL PROTECTED]> wrote: > Why does Cox block customer service email? They have been doing this > a long time. I can't reply with Eudora to anything from any tech > support, or customer service, or anything like that. It gets blocked > by COX SMTP server. I end up having to send from a web interface. It > doesn't matter if I am sending to a big company like Logitech or a > email vendor ,..... I have the same > > Can't send to ''. The server gives this reason: '553 Sorry, that > domain isn't in my list of allowed rcpthosts.'. > > error in Eudora. > > -- Brian Weeden
