Re: [courier-users] courier and greylisting and callback.

-=3DDevil_InSi- a =E9crit :
> callback - a check of sender. =

> when local mail server recieve message, it temporary stop recieving afte=
r any header ( "to" usually) and try initialize simulation session of sendi=
ng mail to adress $from.
> if remote server hasn't that address in recipient's list, the incoming co=
nnection is closing and incoming mail rejects hard (usually).
>
> my english is poor, but hope, that i not distort this description.
>
> =

> ,------[J__r__me Blion <jerome.blion@free.fr> Thu, 14 Feb 2008 23:17:06 +=
0100]
> |-=3DDevil_InSide=3D- a __crit :
> |> has the courier this features?
> |> early under windows i use mdaemon -- good windows mail server, wich ha=
s some features like greylisting, domain keys, spf and whitelist for each o=
f thic services.
> |> but i found just spf in a courier-mta.
> |>
> |> in any overviews in a web for exim and postfix i see possibility to r=
eject server, those HELO has only a digits or keyword, but not only blackli=
sting by ip or network or mask of e-mail address (user@.domain. etc), how i=
t written in courier documentation.
> |> has the courier such possibilities?
> |>
> |> i think, that possibility to make a greylisting or callback is very u=
seful for control the incoming spam --- on mdaemon greylisting was a good =
solution.
> |> and on other servers i saw callback --- more interesting solution, as =
i think.
> |>
> |> in a debian repositories i found a "milter-greylist" -- can i use it w=
ith courier-mta ? =

> |> in description to this package i read that this filter for sendmail, b=
ut reading docs and mans for this package has to brood over more universali=
ty of this program.
> |> =

> |Hello,
> |
> |You can use pythonfilter. It implements Greylisting.
> |What do you mean when you talk about "callback" ?
> |
> |HTH.
> |Jerome Blion.
> =


Hello,

(content of pythonfilter.conf)
# dialback: checks the envelope sender's address to make sure that a bounce
# or reply can be delivered. Mail from addresses that can't be =

verified
# will be refused.


This module is included into pythonfilter.
Does it fit your requirements?

(No problem for your english, I understand you quite fine, and I'm not =

english neither :) )

HTH.
Jerome Blion.


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