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  • SMTP Firewall rules not working from 6.8 to 7.2

    Hi,

    I currently have a firewall running on 6.8 that only allows smtp communication from our LAN exchange server (10.1.5.32) to our mail host (Fuse Mail IP range), and from Fuse Mail to the Exchange server.

    The working rules on 6.8:


    The rules created on the 7.2 system (changed eth5 to ens160):


    I don't seem to be able to receive mail, so it is like the rules aren't working - has the syntax changed more than just the LAN ethernet name (it looks like the ppp0 has the same name).

    I tried specifying our our external IP using the below, but didn't make a difference:


    any guidance would be much appreciated.
    Thanks