On Monday, March 23, 2020 7:47:25 PM EDT Bob Proulx wrote: > On my Debian (and therefore Ubuntu, Mint, other derivatives) I would > add a script /etc/network/if-up.d/postfix-local (in addition to the > already existing "postfix" script there) that does this when the VPN > interface comes up, and a script /etc/network/if-down.d/postfix-local > for the other end.
if-up and if-down are Debian (and derivative) specific. I don't believe it is shared with distros from any other lineage. Scott K