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MS Exchange Server 2003

I have exchange server 2003 and its giving me all the time error in the log NDR:3030 and 5007 and 3018> Please help me to solve it out how can i solve the errorThe Emails are being delayed frequently and users have to wait for a long time to make sure that the mails are reaching to the destinations outside our domain,

with BR

Elee Ednan
0
oyesali
Asked:
oyesali
1 Solution
 
danubianCommented:
You probably have a DNS issue. But together with event id you should post also the source of event. The entire event error message is better.
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GurdeepJohalCommented:
check your smtp relay server settings and block anonymous access. check your ip address also if its blacklisted.

http://mxtoolbox.com/blacklists.aspx 
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oyesaliAuthor Commented:
thanks
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