Bruno Costacurta put forth on 12/1/2010 2:19 PM:
> Hello,
> 
> I intend to upgrade Postfix version 2.5.5 to 2.7.1.
> Are there incompatibilities or specific path for upgrade ?
> Or any manual re-configuration to be done ?

I performed this exact backports upgrade about a week ago.  As far as I
recall, no manual master.cf or main.cf changes were *required* although
I did make some manual changes due the the following becoming available:

check_reverse_client_hostname_access

The only "issue" I've come across is that logwatch doesn't recognize
Postfix log stamps containing "2.7.1", which is no big deal.

The 2.7.1 backport is running perfectly here so far.

-- 
Stan

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