ActiveSync rules

[dcol]

Hi all,
Been using OPNsense since v18 and got stumped when clients asked me to install ActiveSync (EAS) on the mail server.
It seems to only send from the local computer or phone. The remote computer cannot send  events out but it receives events.
I know there must be a rule issue. The only rule on the local and remote side is in the pic. (EmailPorts are 25,80,443,465,993,8080,8443).
The remote network also has an opnsense firewall.
Anybody have any rules suggestions on receiving these calendar events from remote computers?

I suspect the issue is the firewall on the remote side, because I can send and receive calendar events on the local computer and my phone (using local or cell service).  I receive events on the remote computer, just can't send any. Nothing in the logs.

Thanks in advance

[pfry]

I'm assuming those ports are custom? Microsoft docs indicate a bunch of standard ports: DNS, web, mail, and for Edge Transport, secure LDAP.

The thing to do would be to see what is bouncing... but you might have to do it from both sides. Watch the live log ("Firewall: Log Files: Live View"; you'll need logging enabled for the rules you want to watch for) - select more lines (than 25), and hover over the "Auto Refresh" so you can stop it. There are other ways, but the live log works pretty well unless your firewall is very busy.