We have email hosted on GoDaddy's server. Outlook is set up properly.
pop server: pop.secureserver.net--port 110
smtp server: smtpout.secureserver.net--port 80
Authenticating to outgoing server using same settings as incoming.
Blah Blah Blah
Here is the problem: A user can send email to people who do not have email hosted on godaddy just fine. However, when they send email to another GoDaddy email box (specifically one with the same domain) the 553 Sorry, that domain isn't in my list of allowed rcpthosts error is received.
Godaddy swears there is nothing wrong on their end and that is has to be an Outlook issue. I find that hard to believe as he is able to send emails just fine to people whose email is not hosted on GoDaddy's servers. But, it could be as it appears that emails are able to be sent just fine from GoDaddy's webmail portal.