Since I changed hosting companies, my outgoing e-mail is restricted to inner
office. An example of the error is:
Your message did not reach some or all of the intended recipients.

Subject: test
Sent: 3/20/2007 11:09 AM

The following recipient(s) could not be reached:

Daily Sentinel ) on 3/20/2007 11:09 AM
553 sorry, that domain isn't in my list of allowed rcpthosts
(#5.7.1)

Any idea what setting this is? thanks