On Thu, 2006-09-28 at 11:05 -0700, Loren Wilton wrote:
> > Apparently they have removed SPF records after publishing them once.
> > Thats a stupid idea IMHO. Today I am forced to TEMP FAIL earthlink ids
> > whenever there is a spam attack on my servers
> 
> SPF can be a pain for a number of reasons that have been discussed 
> endlessly.  I suspect Dirtlink found them to be effectively useless.
> 
> Why not try using domainkeys instead?
> 
> DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
>   s=dk20050327; d=earthlink.net;
>   b=FB4IOaniCvpDwkx5cYm2jFWe8LB9zRfxL9FHzbhv1JHyGSVrA0o4mttb3jjbU4C3;
>   
> h=Message-ID:Date:From:Reply-To:To:Subject:Cc:Mime-Version:Content-Type:Content-Transfer-Encoding:X-Mailer:X-ELNK-Trace:X-Originating-IP;
> 
>         Loren

Darn,
I dont want to again get into SPF debates. 

Assume I am using domain keys and catching all spams forged from
earthlink , still I am scanning the mails. 

Anyway that is already happening today. SA is catching spams from
earthlink( forged ?) but when you scan a huge number of mails you would
like to be able to reject forged mails straight after "mail from:". 
That is what SPF lets you do and that works. 
   
   No wonder a lot of spammers have stopped forging hotmail or msn
because most of those mails dont even get thru the MTA. And a majority
of the forged spams I still get is from earthlink or yahoo.

Thanks
Ram


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