What ports do I need to open?

Maintenance
2

The firewall should be configured for you be default. It’s checked during the status checks. You can manually confirm by running ufw status.

$ ufw status
Status: active

To                         Action      From
--                         ------      ----
22                         ALLOW       Anywhere
53                         ALLOW       Anywhere
25/tcp                     ALLOW       Anywhere
587                        ALLOW       Anywhere
993                        ALLOW       Anywhere
995                        ALLOW       Anywhere
4190/tcp                   ALLOW       Anywhere
80                         ALLOW       Anywhere
443                        ALLOW       Anywhere
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