@alek said in pfBlockerNG blocking SMTP:
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.