North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonym
on Thu, Jan 13, 2005 at 12:21:04PM +0100, Stephane Bortzmeyer wrote: > > On Wed, Jan 12, 2005 at 10:59:43AM -0500, > Steven Champeon <[email protected]> wrote > a message of 98 lines which said: > > > 1) any legitimate mail source MUST have valid, functioning, > > non-generic rDNS indicating that it is a mail server or > > source. (Most do, many do not. There is NO reason why not.) > > Since this list is NANOG, it is reasonable that it has a North > American bias but remember the Internet is worldwide. I do not know > how it is in the USA but there are many parts of the world where ISP > do not have a delegation of in-addr.arpa and therefore cannot pass it > to their customers. (It is also common to have many levels of ISP, so > you need to go through many layers before reaching the RIR.) Seems this needs to be fixed, then. Not my problem. > Requesting rDNS means "I don't want to receive email from Africa". See above. -- hesketh.com/inc. v: +1(919)834-2552 f: +1(919)834-2554 w: http://hesketh.com join us! http://hesketh.com/about/careers/account_manager.html join us!
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