mail filtering based on reverse DNS

[Noel Butler]

On Wed, 2011-08-10 at 16:19 -0300, Fernando Gont wrote:


> I just argue that one should be a bit more careful when deeming people
> as unprofessional. FWIW, I'd rather have an e-mail dropped than a whole
> system DoS'ed.



It is more like laziness than unprofessional, but the terms can mean
much the same.
 
You go to all the trouble of installing and configuring your OS and MTA
and its related software, it takes little time to add DNS records.
there is no excuse for it not being done.
 I think rejecting on no DNS for ipv6 is going to be eve more a
necessity than ever before with all thee IP's being dished out to end
users.

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