E-Mail Will Not Deliver

[Joshua Hina]

E-Mails from IP.Board are not being sent as an error occurs. The error reads Network is unreachable 101. We have verified that our cPanel/WHM server can see the outside world, communicate over ports 25, 465 and 993 and ping smtp.gmail.com which is where the SMTP sever we are using is housed. The cPanel server is hosted on Azure and we have configured the NSP to properly allow through its firewall mail traffic.  Test mails from other accounts on the server arrive successfully and report proper SPF and DKIM signatures. Please advise on what with the software could be cuasing this issue. Attached are screenshots of debugging and errors for reference. Our domain is not redacted as that is public information and anyone can find it.

 

 

[Dll]

Try port 587

[Jim M]

Unfortunately, this is a network error which your server is reporting back. You would need to investigate why this is being blocked by your network. It could be the port, configuration, or more involved. I’m afraid, server management items, such as this, are outside our scope of support.

[teraßyte]

Are you using the Google account's password to connect to SMTP perhaps? Google recently changed how smtp/pop/imap connections work (Oauth2). You need to generate a new/separate application password if you haven't already done so.