troubleshooting Question

553 Sorry, that domain isn't in my list of allowed rcpthosts

Avatar of ksstmiller
ksstmiller asked on
7 Comments1 Solution672 ViewsLast Modified:
I'm running 2003 SBE server with Exchange 2003. I'm getting the following error. 553 Sorry, that domain isn't in my list of allowed rcpthosts. Your site here says to look at smart host....What is smart host and is t his the fix for it? We have 2 domains one is and The emails fine but the other doesn't email to ONE email address. When we send it from the steelsystemsplus account the email goes thru. HELP! I'm new at this IT stuff and am getting bet one to fix this problem.

Join the community to see this answer!
Join our exclusive community to see this answer & millions of others.
Unlock 1 Answer and 7 Comments.
Join the Community
Learn from the best

Network and collaborate with thousands of CTOs, CISOs, and IT Pros rooting for you and your success.

Andrew Hancock - VMware vExpert
See if this solution works for you by signing up for a 7 day free trial.
Unlock 1 Answer and 7 Comments.
Try for 7 days

”The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange.

-Mike Kapnisakis, Warner Bros