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Outbound mail issue on Forums (resolved)

Hi all,

Whilst doing some work hardening the server’s firewall, I inadvertently caused a firewall issue which prevented the forum from sending (and possibly receiving) e-mail, such as notifications, password resets, etc, for about the last 20 hours.

The docker container that runs the Discourse app couldn’t make certain outbound connections.

This has been resolved. Unfortunately I don’t think there was any ‘backlog’ or queue of pending emails, they simply failed to send. Actually, looks like delayed mail is starting to send after all.

Sorry about the disruption; for context, we’re going through a bit of a busy period of making lots of improvements to the server, and, in what is a classic for a security-focused project, sometimes we make things a little ‘too’ secure :sweat_smile:

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