Re: SPAM on the List

[Stephen Harris <lists@xxxxxxxxxx>]

On Sun, Jul 17, 2011 at 10:12:16PM -0500, Les Mikesell wrote:
> On 7/17/11 9:37 PM, Stephen Harris wrote:
> > On Sun, Jul 17, 2011 at 09:07:38PM -0500, Les Mikesell wrote:
> >> There is no requirement for the greeting name to match any IP, and isn't likely
> >
> > RFC2821 says:
> >     -  The domain name given in the EHLO command MUST BE either a primary
> >        host name (a domain name that resolves to an A RR) or, if the host
> >        has no name, an address literal as described in section 4.1.1.1.
> >
> > So, pretty much, HELO or EHLO greeting _must_ match to an IP.
> >
> > (RFC821 actually wanted the HELO to match the connecting host, but
> > 2821 just says it must be an A record or an address literal).
> 
> That's a long way for saying it MUST be the name of that particular host (which 

I addessed that in the parenthetical; 821 did require it; 2821 doesn't.

-- 

rgds
Stephen
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