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Small Business Server Support Forum    
Forums > Microsoft Small Business Server 2003 & 2000 > Exchange Server 2003
Subject: incoming mail not working
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Dennis Hartmann User is Offline
United States
Member since
9/30/2008

Registered Users
Posts: 7
9/30/2008 10:16 PM  
Hi there,

I have a strange issue with receiving mail on my 2003 SBS. Outgoing email works fine. If I mail from the outside I get the following 5.5.4 error.

This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
user@domainname.com
The mail server could not deliver mail to user@domainname.com. The account or domain may not exist, they may be blacklisted, or missing the proper dns entries.

I checked my MX and A host record at my ISP, I made sure I have a rule on my firewall that allows traffic on port 25. I can even telnet in on port 25 and send an email that way - no problem. I can telnet from inside the network as well. (FYI: We use a Sonicwall TZ180)

Any suggestions would be highly appreciated.

Thanks,
Dennis
Kevin Da Silva User is Offline
Mississauga, Canada
Member since
1/12/2008

Registered Users
Posts: 579
10/20/2008 05:11 PM  
Trying using an online tool to check if your IP has been blacklisted. Also if you telnet from external are you able to send a message to a User?
MCSE:Messaging, MCTIP, SBS Specialist
Dennis Hartmann User is Offline
United States
Member since
9/30/2008

Registered Users
Posts: 7
10/20/2008 06:47 PM  
Hi there,
 
thanks for your reply. Turns out that I was simply paranoid. The domain name was brand new and it simply had to trickle down the DNS's. Took a while, but hey - now all is golden
 
Cheers,
 
Dennis
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Forums > Microsoft Small Business Server 2003 & 2000 > Exchange Server 2003 > incoming mail not working


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