SMTP Outbound Emails show Error 500: Unkown Error

[RedPepper]

Update: I managed to get this to work by using an external SMTP provider (SMTP2Go) after finding out Microsoft has/is going to depricate SMTPAUTH. I think...

[RedPepper]

Hello,

We recently installed a docker container for EspoCRM. It looks like a solution that fits our needs.
However, when we try to...