[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: "Domain of sender address does not resolve" in mail logs



In <20090318180433.1722275a.celejar@gmail.com>, Celejar wrote:
>On Wed, 18 Mar 2009 11:07:47 -0500
>"Boyd Stephen Smith Jr." <bss@iguanasuicide.net> wrote:
>> In <49C0B85A.6020702@smiffytech.com>, Matthew Smith wrote:
>> >Quoth Bob Cox at 2009-03-18 18:39...
>> >> The question is whether you should be rejecting email from any user
>> >> @act.gov.au just because act.gov.au does not resolve.
>> >Tempting though it is, rejecting mail on the basis of RFC-non
>> > compliance is NOT a good move.
>> <div class="militant">
>> BS.  Grow a spine, stand up for the standards, and kick non-compliant
>> mail to the curb.  If enough people do it, others will follow.
>> </div>
>But don't forget Postel's Robustness Principle:
>
>TCP implementations will follow a general principle of robustness: be
>conservative in what you do, be liberal in what you accept from
>others."

I'll follow it as soon as they do. :P

It should also be noted that being too liberal in what you accept from 
others has caused security issues in the past. (Ping of Death or XMas-tree 
packets anyone?)
-- 
Boyd Stephen Smith Jr.           	 ,= ,-_-. =.
bss@iguanasuicide.net            	((_/)o o(\_))
ICQ: 514984 YM/AIM: DaTwinkDaddy 	 `-'(. .)`-'
http://iguanasuicide.net/        	     \_/

Attachment: signature.asc
Description: This is a digitally signed message part.


Reply to: