Re: [exim] support for domainkeys

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Author: David
Date:  
To: David Woodhouse
CC: exim-users, David Brodbeck
Subject: Re: [exim] support for domainkeys
Hi !!

>> It's even less effective than SPF; at least with SPF I can't
>>forge a domain that has an SPF record that excludes Comcast's servers.
>
> Wrong. You just use SRS to do it -- so instead of sending
> MAIL FROM:<victim@???> you'd send instead something like
> MAIL FROM:<SRS0+xx+yy+abused.net+victim@???>


well, now you are not forging abused.net, you are forging a comcast.net
address

--
Best regards ...

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