Solved

Exchange 2007 NDR

Posted on 2008-10-22
2
865 Views
Last Modified: 2013-11-30
Two examples of error message below...

nlpi091.prodigy.net #553 5.3.0 nlpi091 - m9MISBuE005317, DNSBL:521< 63.166.65.132 >_is_blocked.__For_information_see_http://att.net/blocks ##


ejf@intrinsic.net
mhb-03-ord.mailhop.org #550 Relaying denied ##


We are getting the above error when sending email to a few email addresses. Any idea as to why this is happening. We just upgraded to Excahnge 2007 and did not have this problem on Exchange 2003.
0
Comment
Question by:dtarra
  • 2
2 Comments
 
LVL 4

Accepted Solution

by:
futurefiles earned 250 total points
ID: 22780270
youve ended up on a blocklist for spam follow the link in the NDR
0
 
LVL 4

Assisted Solution

by:futurefiles
futurefiles earned 250 total points
ID: 22780275
0

Featured Post

Control application downtime with dependency maps

Visualize the interdependencies between application components better with Applications Manager's automated application discovery and dependency mapping feature. Resolve performance issues faster by quickly isolating problematic components.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Find out what you should include to make the best professional email signature for your organization.
This article aims to explain the working of CircularLogArchiver. This tool was designed to solve the buildup of log file in cases where systems do not support circular logging or where circular logging is not enabled
This is used to tweak the memory usage for your computer, it is used for servers more so than workstations but just be careful editing registry settings as it may cause irreversible results. I hold no responsibility for anything you do to the regist…
This video discusses moving either the default database or any database to a new volume.

863 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

26 Experts available now in Live!

Get 1:1 Help Now