SMTP incoming and outgoing mail is not working

SMTP Error: Could not connect to SMTP host. Failed to connect to server SMTP server error: Failed to connect to server SMTP code: 110 Additional SMTP info: Connection timed out. Getting error 110 how to resolve it?

I would start with the following Community Tutorial. A common problem is the mailserver hostname being set to :orange: Proxied when it needs to be :grey: DNS Only. The Cloudflare proxy only worrks with HTTP nad HTTPS traffic which means that other protocols like SSH, SFTP, and various email protocols will not work when the hostname is :orange:

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