Re: Outgoing email tagged as relay by ISP.

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From: Javier Gomez [SBS MVP] (javier_gomez_at_remove.this.engineer.com)
Date: 05/05/04 

Date: Tue, 4 May 2004 23:19:32 -0400

Hi Brad!

I think I'm going to ask MS on this subject sometime soon. You can leave
your settings at that for now... the only problem is that in the unlikely
event they change their mailserver IP address you would have to change it
again.

You might be wondering why I came up with this... to be honest I read it
sometime ago in a couple of thread that had problems with Bellsouth (pure
luck I guess). Our theory is that Exchange uses the MX record for delivering
mail even when you put a specific smarthost there. So, instead of checking
what is the IP of that hostname it looks for the MX record of the domain and
tries to deliver mail via that route. Since you used the IP address Exchange
is forced to send mail through that specific mailserver. Clear as mud? :-)

About the Connector vs. Virtual server question... both don't necesarily
need to contain the same information (although in most SBS cases it
should/could). The difference between the two is that VS have global
settings and the Connector is more specific... if I recall correctly
Connector settings override VS (you can guess what happened in your case
from that info). You can have more than one connector (for example if you
want to use DNS for some domains and Smarthost for others) and you can have
very different settings on each one.

BTW-> On the FQDN box you should put something like mail.yourdomain.com
(although, this doesn't do much). 

-- 
Javier [SBS MVP]
<< SBS ROCKS !!! >>
"Brad" <bfham104@yahoo.com> wrote in message
news:e9cYvvkMEHA.128@TK2MSFTNGP09.phx.gbl...
> Well, it looks like things are working now, thanks to your suggestion.
>
> I pinged mail.bellsouth.net, got back 205.152.59.17.
>
> Inserted [205.152.59.17] into Connectors/SB SMTP Connector
> Properties/General/Forward all mail through...smart hosts.
>
> This was after I had messed around in Protocols/SMTP/Default SMTP Virtual
> Server Properties/Delivery/Advanced....which didn't seem to do any
> good...and which now has [205.152.59.17] in the FQDN box and
> mail.bellsouth.net in the Smart Host box.  Should I leave these as is?
>
> I don't understand the difference between the SMTP Connector Properties
and
> Default SMTP Virtual Server.  Shouldn't the two contain same information?
> At least same entry under Smart host?
>
> And many thanks for the help...altho I'd like to understand the "why"
behind
> this...
>
> "Javier Gomez [SBS MVP]" <javier_gomez@remove.this.engineer.com> wrote in
> message news:#GtQJGkMEHA.3216@TK2MSFTNGP12.phx.gbl...
> > Assuming that you already tried using Bellsouth as a smarthost... Can
you
> > post the NDR that you get when using it?
> >
> > Could you try this? Get the IP address from Bellsouth SMTP servers (i.e.
> > smpt-mail.bellsouth.com). You can get the IP even using something like
> ping
> > smtpserver.bellsouth.com and then read the first line (or use nslookup).
> > Then setup the smarthost using that IP instead of the servername. Let us
> > know if it works.
> >
> > -- 
> > Javier [SBS MVP]
> >
> > << SBS ROCKS !!! >>
> >
> > "David Benet" <dbenet@notgivingemail.com> wrote in message
> > news:%23YgmHYiMEHA.1272@tk2msftngp13.phx.gbl...
> > > Have a look at:
> > >
> > > http://www.sbslinks.com/DNS_Smarthost.htm
> > >
> > > It sounds like this may be your problem.
> > >
> > > Dave Benet
> > > Melbourne, Australia
> > >
> > > "Brad" <bfham104@yahoo.com> wrote in message
> > > news:862a01c43221$ed1ee130$a001280a@phx.gbl...
> > > > I'm running SBS2003/Exchange Server 2003.  I had been
> > > > using DNS to resolve outgoing mail, then started bouncing
> > > > back a few days ago with following msg:
> > > >
> > > > <bellsouth.net #5.5.0 smtp;550 .net 022: Your current IP
> > > > address is not allowed to relay to yahoo.com Solution:
> > > > Connect using BellSouth Internet Service.>
> > > >
> > > > I assumed ISP was blocking port 25 so tried using their
> > > > mail server FQDN as SmartHost.  Still have the same
> > > > problem.
> > > >
> > > > However, if I set up an account in Outlook Express, emails
> > > > go out just fine...using same ISP mail server via port
> > > > 25.  No outgoing authentication is supposed to be required
> > > > but I've tried it with and without and get same problem.
> > > >
> > > > Why the disparity between Outlook Express and Exchange?
> > > >
> > > > Thanks.
> > > >
> > > >
> > >
> > >
> >
> >
>
>

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