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Topic: Transient Network Fault when verifying on testing sites.

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.0
- Deployed with iRedMail Easy or the downloadable installer? 1.6.0.tar.gz
- Linux/BSD distribution name and version: Alma8
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro?
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Cannot verify on verify-email . org
Returns a TransientNetworkFault

I am checking in google and Transient Network Fault seems to happen a lot with selfhosted email servers. But I have not yet found which settings are causing it, or how to fix it.

Please Help.

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Re: Transient Network Fault when verifying on testing sites.

Testing it on here https://gwhois . org/email/ seems to indicate that the SMTP connection to the Email Address Verification is refused?

maillog

Jun 16 10:53:39 mail postfix/postscreen[140282]: CONNECT from [34.218.196.242]:38668 to [78.141.235.82]:25
Jun 16 10:53:39 mail postfix/postscreen[140282]: PREGREET 17 after 0.17 from [34.218.196.242]:38668: helo gwhois.org\r\n
Jun 16 10:53:39 mail postfix/postscreen[140282]: DISCONNECT [34.218.196.242]:38668