* Re: [gentoo-user] Trying to debug postgrey
@ 2014-10-24 20:26 99% ` thegeezer
0 siblings, 0 replies; 1+ results
From: thegeezer @ 2014-10-24 20:26 UTC (permalink / raw
To: gentoo-user
On 24/10/14 15:37, Michael Orlitzky wrote:
> On 10/22/2014 01:12 AM, Ajai Khattri wrote:
>> Ive been running postgrey for years without any problems but today I
>> noticed I hadn't gotten email for awhile and realized upon investigation
>> that postgrey wasnt running so postfix was rejecting mail.
> For what it's worth, recent versions of postfix ship with a
> pre-screening daemon called postscreen. It has a suite of tests that
> work after the initial greeting, and thus have the "negative" side
> effect that the client must be disconnected (temporarily) if it passes:
>
> http://www.postfix.org/POSTSCREEN_README.html#after_220
>
> The main limitation of "after 220 greeting" tests is that a new
> client must disconnect after passing these tests (reason: postscreen
> is not a proxy). Then the client must reconnect from the same IP
> address before it can deliver mail.
>
> In other words, it greylists them. So if you're already running a
> separate greylisting daemon, it's safe for you to enable postscreen and
> turn on the "deep protocol tests" (see the README). That way you get
> postscreen's benefit for free and don't need to worry about running a
> separate greylisting daemon any more.
>
>
very good, after looking up postscreen i went through a phase of wow,
how did i miss this, and then even went so far to check when all this
came about (2011 it seems)
definitely a good one to know about, for the greylisting and for the
other tests too.
one to investigate more, thanks for the tip !
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2014-10-22 5:12 [gentoo-user] Trying to debug postgrey Ajai Khattri
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2014-10-24 20:26 99% ` thegeezer
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