troubleshooting Question

NDR : Recipient address rejected:User unknown in virtual alias table

Avatar of madinina
madinina asked on
6 Comments1 Solution5756 ViewsLast Modified:
HI Exchange Expert,

I have exchange 5.5 SP4 on a Windows 2000 server with latest Services Packs.
I have a registered domain from my ISP
This domain is handle by may ISP. DNS report of this domain give : SOA IN 7200 Primary DNS server:
Responsible Name:
Serial:             2006080462
Refresh:            43200 (12h)
Retry:              3600 (1h)
Expire:             3600000 (5w 6d 16h)
Minimum/NegTTL:     1200 (20m) NS IN 7200 NS IN 7200 MX IN 7200 [Preference = 1] MX IN 7200 [Preference = 1]

I can send e mail to external domain. But they are received as spam. How can fix this ?????
When my friends send an email to me they receive this NDR message :

<>: does not like recipient.
Remote host said: 550 5.1.1 <>: Recipient address
rejected: User unknown in virtual alias table
Giving up on

Any tips how fix this issue ???

Thsk in advance
Join the community to see this answer!
Join our exclusive community to see this answer & millions of others.
Unlock 1 Answer and 6 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 6 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