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Article #71

Re: ETRN causes weird data traffic (SBS/Exchange 2000 mail collection)

#71
From: Jon Grieve
Date: Tue, 10 Jul 2001 08:44
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Jann,

There's no counter, but a quick skim of the Web Server logs shows there's
been about 1,200 hits on that page, many with a 404 just before, as Demon
keep giving out the incorrect URL to people.  'Bout sums up Demon...

Jon

(To reply, modify return address; change commas to dots)




"jann" <jann@dial.pipex.com> wrote in message
news:3b4a279d$0$3764$cc9e4d1f@news.dial.pipex.com...
> Thanks Jon, was beginning to think that this forum was a Ghost Town.
>
> I finally found a solution (?) which I posted over in SBS2K forum -
> essentially I stopped ETRN'ing and went over to TURNing.  This had the
> effect of sending (and receiving) the mail ok, with no accompanying
Mystery
> Data so the line closed fine after a few mins.  Gawd knows why, but it
> brought my blood pressure back to normal again.
>
> I picked up the 'Admin Exchange 2000 Server' book by Tulloch, which I'll
> have to find time to pad through - guess I got a bit complacent with 4.5
> being more intuitive.
>
> I have to confess to whizzing over to your site initially, in the hope
that
> you'd already implemented Demon and SBS/ES2K!!!  Have you got a site
counter
> on that page??  I bet that it's had a fair view visitors, I know that I've
> quoted the link extensively.
>
> Jann
>
>
> "Jon Grieve" <jgrieve@southdown,co,uk> wrote in message
> news:tkj3a1kv6lq768@corp.supernews.com...
> > Jann,
> >
> > You're right, Demon do not (to my knowledge) support ETRN.  However, if
> you
> > tell ES2K to use it, the worst that'll happen is that it'll dial,
connect
> > and *attempt* to issue an ETRN command which will fail.  Of course,
while
> > this is going on, the Demon 'punt' machines will be busily delivering
the
> > mail to you.
> >
> > What might be happening is that Exchange is not handling the return
status
> > from the post machine that indicated ETRN is not available, and simply
> > trying again and again, etc. which may account for the constant traffic
> thus
> > the connection never times out.  I just checked the MSKB, and there are
> > quite a few articles concerning ETRN; one may give a clue.  Also, check
> out
> > the documentation for ES2K SP1; this may be a bug that's fixed...
> >
> > So, it appears that ES2K may have changed somewhat.  With 4.5, it was
very
> > much a case of "Shall I work in Dial-Up Mode?" with an option 'after'
that
> > to specify what action to take once connected (i.e. nothing).  I haven't
> > moved up from 4.5 yet, so couldn't say what's changed.  Once I upgrade
> > here - hopefully in a few months- I'll update my FAQ...
> >
> > Regards,
> >
> > Jon Grieve
> >
> >
> > (To reply, modify return address; change commas to dots)
> >
> >
> >
> >
> >
> >
> > "jann" <jann@dial.pipex.com> wrote in message
> > news:3b3d982a$0$8511$cc9e4d1f@news.dial.pipex.com...
> > > ... but no ETRN (i.e. Send No Signal) means no Collection at all!
> > >
> > > Hi - Has anyone in the UK using Demon SMTP mail been able to get the
> > SBS2000
> > > ICW (Internet Connect Wiz)  to configure mail collection OK? Without
> > > tinkering!!!
> > >
> > > I've tried 3x install of SBS with test server (see earlier thread) and
> > found
> > > the requested 30-min mail collection was never initiated by SBS
(though
> as
> > > soon as a client went on to the internet to browse, mail was delivered
> and
> > > sent fine).  With SBS4.5 (and following Mr Grieve's advice at
> > > http://www.southdown.co.uk/users/jgrieve/faq/demonexchange.htm -
> thanks!)
> > > it worked fine.
> > >
> > > Could this be the answer?: with 4.5 No Signal was sent from ExSvr to
> > collect
> > > mail (as I've heard that Demon don't support ETRN?). I noticed with
> > SBS2000
> > > ICW that choosing 'No Signal' meant that the ominous words 'You have
> > chosen
> > > not to download mail' become part of the wizard confirmation script.
> > >
> > > So... I reran the ICW, and chose 'Send ETRN'; immediately ExSvr sprang
> > into
> > > action and downloaded mail successfully...
> > >
> > > I guess that some change has occurred to SBS/Exchange behind the
scenes
> > > following the dropping of the 4.5 IMC from SBS2000.  Or has some one
> just
> > > decided that Not Sending A Signal automatically means User Never Wants
> to
> > > Collect Mail... (and therefore mail is only collected when a queue of
> > > outgoing mail is ready to depart). Any ideas?
> > >
> > > The problem with the ETRN setting however is this: it does allow a
> regular
> > > dial up and collection, but there also seems to be permanent data
> traffic
> > > between here and Demon after connection. Hence the line is not
> dropped...
> > > Any ideas what this data traffic could be?
> > >
> > > I guess if all this fails, I shall have to rely on a scheduled PING to
> the
> > > internet to act as a collection (and delivery) trigger.
> > >
> > >
> > > Thanks
> > >
> > >
> > >
> > >
> >
> >
>
>
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From: "Jon Grieve" <jgrieve@southdown,co,uk>
Newsgroups: demon.ip.support.nt
Subject: Re: ETRN causes weird data traffic  (SBS/Exchange 2000 mail collection)
Date: Tue, 10 Jul 2001 09:44:23 +0100
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