[CentOS-docs] Short postgrey guide?

[Ned Slider]

Karanbir Singh wrote:
> Ned Slider wrote:
>> Anyway, if you can point me in the right direction, I'm happy to try 
>> and can amend the article if you think it's better that way (maybe you 
>> could  also explain why unix sockets are preferable to a network 
>> socket - security maybe??)
> 
>  check_policy_service unix:postgrey/socket
> in the smtpd_recipient_restrictions = line is all you need, and postfix 
> will check on /var/spool/postfix/postgrey/socket
> 
> which is what postgrey will listen on.
> 

Great - thanks. Got that working so I'll update the page :)


> Security is one reason, better load handling is another. There is a lot 
> less resources required to setup and teardown a unix socket than a 
> network socket.
> 

Thanks for the explanation :)