I just implemented two more compatibility breaks with
postfix-2.12-20141009. These are expected to be the last ones
before the Postfix 2.12 stable release (or whatever it will be
called).
- relay_domains default is changed from "$mydestination" to "" (empty).
- mynetworks_style default is changed from "subnet" to "host".
In both cases the backwards-compatibility safety net turns on the
old default settings, and logs what, if anything, depends on those
old defaults. Examples of messages:
postfix/smtpd[19052]: using backwards-compatible default setting
relay_domains=$mydestination to accept mail for domain
"foo.example.com"
postfix/smtpd[17375]: using backwards-compatible default setting
mynetworks_style=subnet to permit request from client
"foo.example.com[10.1.1.1]"
postfix/postscreen[24982]: using backwards-compatible default
setting mynetworks_style=subnet to permit request from client
"10.1.1.1"
As before, if these messages are logged for a legitimate request,
the system administrator should make the old default settings
permanent with:
# postconf parameter-name=old-default-value
# postfix reload
If the requests are not legitimate, just ignore them until you
are ready to adjust the compatibility_level setting in main.cf.
Wietse
