Mailings do not work anymore due to SSL errors

[gerhard (Gerhard Schlager)]

This seems to be a bug.

POP3 Polling SSL Issue

Doing a regular check of the logs on a production Discourse I noticed the Poll Mailbox job was failing with this error: Job exception: SSL_connect returned=1 errno=0 state=error: certificate verify failed (self signed certificate) Some relevant notes: This instance is a standard Discourse installation on Digital Ocean with a LetsEncrypt certificate. There’s nothing else on the server. Pop3 email importation has been working on it without any issues for a number of months. There’s no indica…