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Re: [milter-greylist] SPF feature

2016-08-05 by Jim Klimov

5 \u0430\u0432\u0433\u0443\u0441\u0442\u0430 2016�\u0433. 9:19:37 CEST, "Can \u015eirin sirincan@... [milter-greylist]" <milter-greylist@yahoogroups.com> \u043f\u0438\u0448\u0435\u0442:
>  Hi,
>
>SPF check is just one step of the spam tests. There are lots of
>parameters
>that you can mark a mail as spam. So I think you should change your
>system
>through a scoring mechanism. I can suggest MailScanner or you can use
>spamAssasin as a milter for your MTA.
>
>Can
>
>Quoting "'Grammes, Carsten' cgrammes@... [milter-greylist]"
><milter-greylist@yahoogroups.com>:
>
>> Hello,
>> I'm using milter-greylist for quite some years. I have a probably
>simple
>> question. I found that many Spammers use� SPF records so whitelisting
>> mails from MTAs with SPF records does not seem a solution to me.
>> Therefore I have nospf for years in my config. On the other hand
>there
>> are many big mail hosters sending from a whole bunch of MTAs. When
>they
>> get greylisted, the next attempt will come from another MTA so
>there's
>> another tupel IP, from, to and it gets greylisted again. In sum this
>> sometimes leads to good mail getting delayed for hours or days. How
>to
>> come around this problem?
>>
>> I did not really find a documentation what the different values for
>> "spf" would mean. man page is rather short on this.
>>
>> I want mail from one sender to one recipient get greylisted only the
>> configured timespan - regardless from which (spf verified) MTA the
>> connection attempt comes. I'm quite sure this is possible - just do
>not
>> know how...
>>
>> Thx,
>> Carsten
>>
>> ------------------------------------
>>
>> ------------------------------------
>>
>> ------------------------------------
>>
>> Yahoo Groups Links
>>
>>
>>

Note that with expression evaluation you can also implement scoring within milter-greylist. That's what we do, to avoid expensive checks like content inspection and drop 95% of spam before it gets to content. The rest is cheap to inspect thoroughly with SA and ClamAV ;)

Jim
--
Typos courtesy of K-9 Mail on my Samsung Android

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