[Gllug] helo ehlo lhlo

Joel Bernstein joel at fysh.org
Tue Oct 11 08:08:20 UTC 2005


On Tue, Oct 11, 2005 at 09:06:31AM +0100, Joel Bernstein wrote:
> On Tue, Oct 11, 2005 at 09:44:29AM +0200, Martin A. Brooks wrote:
> > Joel Bernstein wrote:
> > >server greeting string - I believe ESMTP should only be attempted to
> > >servers which advertise it as a capability but in practice I think many
> > >do not follow this...
> > 
> > Not quite.  One feature of ESMTP is that the server will advertise what 
> > it's capable of doing. For example:
> 
> <snip> Er... yes. That's true. But it doesn't effect the accuracy of my
> statement... I'm saying "it'll send an EHLO if the 220 banner contains
> ESMTP", and you're saying "if it talks ESMTP, it tells you what other
> capabilities it has" - true, but not so relevant...

Or did you mean that one can give an EHLO and infer from the responses
if the server actually speaks ESMTP? You probably can. Still don't think
it's wise.

/joel
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