Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

#5.5.0 smtp;501 Domain must resolve

Posted on 2007-03-27
1
Medium Priority
?
2,329 Views
Last Modified: 2010-05-18
I have an Exchange 2003 Bo x that gerneally has no problem. However I sometimes get this error when sending an email...#5.5.0 smtp;501 Domain must resolve.  I figure it is a DNS error. What could the casue be and how do I fix it?
0
Comment
Question by:degoodwin
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
1 Comment
 
LVL 104

Accepted Solution

by:
Sembee earned 375 total points
ID: 18801068
That usually means your server isn't announcing itself correctly.
Put your domain in to dnsreport.com and see if it flags any errors.

You may want to read my article on DNS configuration to ensure that everything is correct.

http://www.amset.info/exchange/dnsconfig.asp

Simon.
0

Featured Post

Get your Disaster Recovery as a Service basics

Disaster Recovery as a Service is one go-to solution that revolutionizes DR planning. Implementing DRaaS could be an efficient process, easily accessible to non-DR experts. Learn about monitoring, testing, executing failovers and failbacks to ensure a "healthy" DR environment.

Question has a verified solution.

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

This article will help to fix the below errors for MS Exchange Server 2013 I. Certificate error "name on the security certificate is invalid or does not match the name of the site" II. Out of Office not working III. Make Internal URLs and Externa…
One-stop solution for Exchange Administrators to address all MS Exchange Server issues, which is known by the name of Stellar Exchange Toolkit.
This video demonstrates how to sync Microsoft Exchange Public Folders with smartphones using CodeTwo Exchange Sync and Exchange ActiveSync. To learn more about CodeTwo Exchange Sync and download the free trial, go to: http://www.codetwo.com/excha…
There are cases when e.g. an IT administrator wants to have full access and view into selected mailboxes on Exchange server, directly from his own email account in Outlook or Outlook Web Access. This proves useful when for example administrator want…

670 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