[Mimedefang] Pre-Emptive Greylist entries

[Matthew.van.Eerde at hbinc.com]

David F. Skoll wrote:
> Matthew.van.Eerde at hbinc.com wrote:
> 
>> That is the sole purpose of SPF, to force domains that send spam to
>> admit ownership of the sending servers.
> 
> spammer.com.	  1d IN	 TXT	 "v=spf1 +all"
> 
> I own the world! :-)

That's a perfect example that proves my point.

spammer.com can never claim that they were joe-jobbed.

I imagine conversations going like this...

Blacklist owner: You're blacklisted because of this spam.
Spammer: I didn't send that.  I don't even use that server.
Blacklist owner: Really?  Your SPF record says you do.
Spammer: Ah, well, er, um...

-- 
Matthew.van.Eerde (at) hbinc.com               805.964.4554 x902
Hispanic Business Inc./HireDiversity.com       Software Engineer