🚀 go-pugleaf

[Looks like follow-ups were not actioned; x-posted to d.s with 
apologies for those in demon.ip.support.pc for the repeat]

In article  <1239440946snz@nospam.demon.co.uk> pete@nospam.demon.co.uk  writes:

> It's been a bit quiet of late in here, but I'm hoping that 
> Malcolm Muir and/or Richard Clayton might still be monitoring the 
> group, out of curiosity if nothing else.
> 
> GremNOS, and to a lesser extent Demon's ka9q/net, have provided 
> minimal ESMTP support for years.  Recently I have decided to 
> enlarge that support (in GremNOS) for the ESMTP SIZE extension 
> (rfc 1870) but find that I cannot make use of it as Demon's punts 
> do not (apparently) support ESMTP for delivery; at least they do 
> not advertise it with an opening EHLO.
> 
>  Sat Apr 11 08:47:54 2009 helo: "helo lon1-punt3-8.mail.demon.net"
> 
> is an example of how they announce themselves.  Inspection of the 
> Received: headers seems to show that ESMTP is used as the mail 
> passes through Demon's MTAs, except for the final hop from the 
> punts to the user's SMTP server.  Can this be changed?
> 
> I've tried to "coax" the punts by advertising "ESMTP ready" in my 
> sign on banner, but that makes no difference :(  RFC 2821 
> specifically forbids using any ESMTP server extensions unless the 
> client uses EHLO, so unless this can be changed I'm stuffed.
> 
> Are the punts truly incapable, or is this a config setting?
> 
> Pete
> 
> PS. One additional thing I've noticed is that if I reject mail 
> with a "552 Message exceeds fixed maximum message size" after the 
> DATA command, this message is not apparently relayed back to the 
> sender in the DSN.  Are the punts anaware of a 552 error?
> 

-- 
   "We have not inherited the earth from our ancestors,
    we have borrowed it from our descendants."