Viktor Dukhovni: > > compatibility_level = 3.5 > > The major.minor syntax was introduced with Postfix 3.6, for Postfix 3.5 > use "3".
To make forward and reverse migrations easier, the new compatibility_level
syntax has been backported in postfix-3.5.11, postfix-3.4.21 and
postfix-3.3.18. Distributions may have picked up these.
Wietse
