troubleshooting Question

Exchange 2010 Open Relay stopped working after External IP address changed

Avatar of Nate Olin
Nate Olin asked on
Exchange
12 Comments1 Solution77 ViewsLast Modified:
We recently migrated to a new ISP and had to change our external IP addresses accordingly. Everything went smooth with Exchange and we were sending and receiving emails no problem.

However we've found now that our open relay receive connector is no longer working, every service that uses it (mainly logging apps and Taleo) receives a "550 5.7.1 Client does not have permissions to send as this sender" error when it tries to relay. I've triple checked the receive connector setup and even tried to create a new one following the Microsoft Tech article with no success.

Any help or pointers would be appreciated!
ASKER CERTIFIED SOLUTION
Nate Olin

Our community of experts have been thoroughly vetted for their expertise and industry experience.

Join our community to see this answer!
Unlock 1 Answer and 12 Comments.
Start Free Trial
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 12 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