@alek said in pfBlockerNG blocking SMTP:

No ?

That's the easy / easier way.

Have a look at this list : Youtube Netgate everything you always wanted to know, and more.
There is a Muti WAN video. There is a video about VIP, Carps, etc.

The videos are old, but still very valid and very informative. It's a guy from Netgate talking about Netgate/pfSense.

Not fixed as of 2.4.4-RELEASE-p3 (amd64)
built on Wed May 15 18:53:44 EDT 2019
FreeBSD 11.2-RELEASE-p10.

Only after appending the text dump of my ca cert to /usr/local/share/certs/ca-root-nss.crt was I able to send test messages.
"Validate the SSL/TLS certificate presented by the server" had no effect.
Package captures verified that pfsense was rejecting the certificate being returned by my email server.