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How to reproduce the MX Server Error message?
You can simply reproduce the error by sending an email notification to outside of Paessler network. Thank you. There is no official solution, as this has to be configured outside of PRTG. If DNS servers are used, they must have an MX resource record entry for the email address domain.
Can You maintain MX record for server outside of your control?
Maintaining an MX record for a server outside of our control is unsuitable. One has to maintain a zone file for example for gmail.com and include MX record that would change over time. Have you tested what is being requested internally? Perhaps PRTG internal SMTP server is reporting a wrong error, i.e. MX Server error rather than “Relaying” error?
When to change the TTL value in MX?
Once the MX records are configured correctly, we recommend changing the TTL value from 3600 to 86400, which tells servers across the Internet to check every 24 hours for updates to the MX record instead of every hour. Learn more The Priority column shows the relative priorities of the Google mail servers.
How to report a problem with MX records?
A problem with the records can affect mail delivery to your domain. Go to the G Suite Toolbox Dig tool. In the Name box, enter your domain name without www. (For example, yourdomain.com). Click MX. You’ll receive a report on your domain’s MX records.
What is the secondary DNS address for MX?
Message repeats with the secondary DNS address. I’ve disabled the firewall and anti-virus software to make sure they are not interfering. The 75.75.75.75 DNS address is used by my ISP. Please notice that the built-in mail option uses the MX record to send the emails.
What to do if you do not have a MX record?
If you do not have a MX record for a mail relay server, you would have to configure the same, respectively contact an administrator who is able to define the same for the network in case. For gmail, for example, you will find some information under Troubleshoot MX records.
Why is my MX server not connecting to Gmail?
Can not connect to MX servers for address [email protected]. ” From the command line on the server, I am able to lookup and resolve the MX records for gmail. Adding a rule to allow PRTG outbound traffic resolved the issue. Maybe this will be helpful to someone : )