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Article #180

Re: Firewall blocks email - help!

#180
From: Jon Grieve
Date: Mon, 18 Sep 2000 00:00
87 lines
3448 bytes
Miles,

You only need to configure Proxy to 'route' incoming connections if the
machine is behind the firewall.  On SBS, you don't need to do anything
special.

I've written up a FAQ on configuring Exchange with Demon.  You can find it
at my homepage (under Other FAQs), at:
  http://southdown.co.uk/users/jgrieve

Regards,
Jon






"Miles Gaynor" <mg@castlehoward.co.uk> wrote in message
news:E604B4DA88E0D311B6A2009027E0197E09B56F@SBSSERVER...
> Hi John,
>
> Yes, Exchange 5.5 but on the same machine as Proxy. (its Small business
> Server) The IPs of the punt cluster do change, but not very often. The
> weird thing is that if Demon send a mail kick, the mail comes through on
> the same connection as was already present. If I had the IP of the
> mailserver wrong and I would expect the mail to fail even after a mail
> kick. I don't think it can be a problem with port 25 and SMTP, there
> must be something else that Demon use to ID you apart from the
> Username/password as you log on.
>
> either that or i am totally wrong. (It has been known!)
>
> Miles
> >-----Original Message-----
> >From: Jon Grieve [mailto:jgrieve@southdown.co.uk]
> >Posted At: Thursday, September 14, 2000 4:30 PM
> >Posted To: nt
> >Conversation: Firewall blocks email - help!
> >Subject: Re: Firewall blocks email - help!
> >
> >
> >Miles,
> >
> >First, I don't think you can IP addresses for the punt
> >cluster, as they may
> >change.  However, for testing, this should work for the interim.
> >
> >So, what mail server are you using?  Exchange?  Is it running
> >on another
> >machine 'behind' Proxy?
> >
> >Jon
> >
> >
> >
> >
> >"Miles Gaynor" <mg@castlehoward.co.uk> wrote in message
> >news:E604B4DA88E0D311B6A2009027E0197E099060@SBSSERVER...
> >> Hi Folks,
> >>
> >> I am trying to receive email through MS Proxy 2.0 from demon
> >but when I
> >> enable IP filtering I don't receive any email. I have made several
> >> filters with  port 25 as smtp and the remote host as one of
> >demons mail
> >> servers (I think I have covered all of demons mail server IPs) but no
> >> joy.
> >>
> >> Also, If I connect and ask Demon help to do a mail kick
> >while I am still
> >> connected, the mail comes in fine so it seems that demon
> >don't recognise
> >> me when I have dialed up. Does anyone know how this could be
> >solved so
> >> that I can have my firewall active but receive mail from demon?
> >>
> >> I did try opening the Ident port, but with no joy (but I'm
> >not to clear
> >> on how this one works)
> >>
> >> TIA
> >> Miles
> >>
> >
> >
>
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From: "Jon Grieve" <jgrieve@southdown.co.uk>
Subject: Re: Firewall blocks email - help!
Date: 2000/09/18
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