Postfix 2.3 and MailScanner - SOLVED

[Mike Jakubik]

Holger Gebhard wrote:
> My Problem with Postfix 2.3.x and MailScanner is solved...
>

...

> To remove the new line i changed the regular expression and made a bit 
> more robust...
>
> next unless $message->{metadata}[$linenum] =~ 
> /^[ARO].+@(?:\w|-|\.)+\.\w{2,})/;
>
> Work fine for two days now with no more warnings in log :-)

Is this change backwards compatible with postfix 2.2?