On Feb 22, 2010, at 1:42 PM, Florian Weimer wrote:

> * Steven Bellovin:
> 
>> Bring back the MB or MR DNS records?  (Only half a smiley.)
> 
> Eh, you don't want to put this information into a public database.
> Officially, for privacy reasons.  Unofficially, to create a barrier to
> market entry.
> 
Right; I was not seriously suggesting that the DNS was the right spot for it.  
I am seriously suggesting that a redirect mechanism -- perhaps the email 
equivalent of HTPP's 301/302 -- would be worth considering.  Then, of course, 
there's problem of upgrading the $\aleph_0$ mail senders out there to comply...




                --Steve Bellovin, http://www.cs.columbia.edu/~smb






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