Exchange 2007 NDR

Posted on 2008-10-22
Last Modified: 2013-11-30
Two examples of error message below... #553 5.3.0 nlpi091 - m9MISBuE005317, DNSBL:521< >_is_blocked.__For_information_see_ ## #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.
Question by:dtarra
  • 2

Accepted Solution

futurefiles earned 250 total points
Comment Utility
youve ended up on a blocklist for spam follow the link in the NDR

Assisted Solution

futurefiles earned 250 total points
Comment Utility

Featured Post

Complete VMware vSphere® ESX(i) & Hyper-V Backup

Capture your entire system, including the host, with patented disk imaging integrated with VMware VADP / Microsoft VSS and RCT. RTOs is as low as 15 seconds with Acronis Active Restore™. You can enjoy unlimited P2V/V2V migrations from any source (even from a different hypervisor)

Join & Write a Comment

Local Continuous Replication is a cost effective and quick way of backing up Exchange server data. The following article describes the steps required to configure Local Continuous Replication. Also, the article tells you how to restore from a backup…
This process describes the steps required to Import and Export data from and to .pst files using Exchange 2010. We can use these steps to export data from a user to a .pst file, import data back to the same or a different user, or even import data t…
This video will demonstrate how to find the puppet warp tool from the edit menu and where to put the points to edit.
The viewer will learn how to successfully create a multiboot device using the SARDU utility on Windows 7. Start the SARDU utility: Change the image directory to wherever you store your ISOs, this will prevent you from having 2 copies of an ISO wit…

771 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

10 Experts available now in Live!

Get 1:1 Help Now