Re: [exim] Sender callout verification on BATV signed addres…

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Author: Dave Lugo
Date:  
To: exim-users
Subject: Re: [exim] Sender callout verification on BATV signed addresses
On Thu, 14 May 2009, David Saez Padros wrote:
>
> If you read the arguments against callout it says that callouts are
> a broken technique but that's not true (at most a deficient
> implementation of sender callout could be broken) and the problem
> he has is not about sender callouts is about people forging his
> domain, which he can prevent by publishing spf records. Same for


As a datapoint:

I've seen spammers disregard SPF, and send a few hundred K
items/day that are forged.

-- 
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Dave Lugo   dlugo@???    LC Unit #260   TINLC
Have you hugged your firewall today?   No spam, thanks.
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Are you the police?  . . . .  No ma'am, we're sysadmins.