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Re: [TEKNIK] Jeg ryger i mit eget spam filter (Debian 5/ Spamassassin)...



On 14/07/2011, at 13.27, Jesper K. Pedersen wrote:
> On Thu, 14 Jul 2011 13:12:02 +0200
> Jon Bendtsen <sslug@sslug> wrote:
> 
>> On 14/07/2011, at 13.10, Jesper K. Pedersen wrote:
>>> On Thu, 14 Jul 2011 12:54:40 +0200
>>> Jon Bendtsen <sslug@sslug> wrote:
>> 
>> [kliiiiiip]
>> 
>>> Jeg havde stirret mig blind på spamassassin delen - men er
>>> spamass-milter der håndterer hvilke mails der skal scannes.
>>> 
>>> Tak for det hurtige puf i den rigtige retning.
>>> 
>>> Ved at tilføje -I til spamass-milter ignorerer spamassassin nu smtp
>>> auth'ede mails.
>> 
>> 
>> Jeg har lige et spørgsmål til dig, og evt. andre som lytter med.
>> 
>> laver i spam scan på SMTP tidspunktet således at i helt kan afvise at
>> modtage spam emails? eller modtager i alt, og enten sorterer det
>> senere eller måske bare smider det væk?
>> 
> 
> Selv laver jeg spam scan efter modtagelse af email - da såvidt jeg
> husker smtp standarden ikke tillader at modtage en email for derefter
> at afvise den. Den tillader kun at modtage "goddag" signalerne med
> efterfølgende afvisning.

I slutningen af SMTP tidspunktet så svarer din mail server formodentlig:
	"ja, modtaget, kø ID 09238kAKJDSDI"

Eller hvis du bruger greylisting:
	"prøv igen senere"

Her er det så at nogen i stedet for at svare "ja, modtaget", så svarer
	"nej, skrid din spammer".
Hvis det altså er en spam email.


> Jeg afviser email der forsøges bounched via mit system på smtp modtage
> tidspunktet (dvs. live slutmodtager check) - så jeg allerede efter 
> "RCPT TO: sslug@sslug" kan afvise emailen, hvis ikke
> den kan leveres på min server.


Det er også normal opførsel.



JonB


 
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