Solved

#5.5.0 smtp;501 Domain must resolve

Posted on 2007-03-27
1
2,308 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
1 Comment
 
LVL 104

Accepted Solution

by:
Sembee earned 125 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

PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

Question has a verified solution.

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

Lotus Notes – formerly IBM Notes – is an email client application, while IBM Domino (earlier Lotus Domino) is an email server. The client possesses a set of features that are even more advanced as compared to that of Outlook. Likewise, IBM Domino is…
MS Outlook is a world-class email client application that is mainly used for e-communication globally.  In this article, we will discuss the basic idea about MS Outlook, its advanced features, and types of MS Outlook File formats.
In this video we show how to create a Distribution Group in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.: First we need to log into the Exchange Admin Center. Navigate to the Recipients >>…
The video tutorial explains the basics of the Exchange server Database Availability groups. The components of this video include: 1. Automatic Failover 2. Failover Clustering 3. Active Manager

911 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

16 Experts available now in Live!

Get 1:1 Help Now