troubleshooting Question

event id 4006 on SMTP service, cant send to certain email address

Avatar of bigbem
bigbem asked on
Microsoft IIS Web ServerEmail ServersEmail Protocols
2 Comments1 Solution2196 ViewsLast Modified:
I am having problems sending emails to certain email addresses. and  My firewall is not blocking any traffic on port 25.  All other account send fine and i can receive email from both domains as well.  In the even log I see error event id 4006  "Message delivery to the host '' failed while delivering to the remote domain '' for the following reason: The connection was dropped by the remote host."  Any ideas on why this is.  I am running GFI mailessentials 12 on a stand alone server that is filtering SPAM for a 2000 and 2003 exchange server setup.  The error is coming from the GFI machine.
Join our community to see this answer!
Unlock 1 Answer and 2 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 2 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