wrote:

>I have setup isa2000 and configured the IIS smtp on this isa server as a
>relay server so that all mail servers behind this firewall can relay off
>this isa smtp server. I also set the smart host setting on the isa smtp
>service to further relay off our ISP relay server as such:
>
>internal exchange servers -> isa smtp -> isp smtp relay server
>
>However this doesn't work properly as I view the queue the isa smtp server
>seems to deliver mail for every recipient on the To: Cc: and Bcc: line. This
>is counter productive to what I want to do and has jammed our bandwidth.
>
>Before the isa smtp was setup we just had our exchange server 5.5 ims
>configured to forward mail directly to the isp smtp relay server and it
>worked fine. But now with the isa smtp sitting between the exchange server
>5.5 ims and the isp smtp relay email delivery has slowed to a crawl.
>
>Can the IIS SMTP service that I have configured on the isa2000 to relay be
>set so that it doesn't attempt to deliver mail to the isp relay server on a
>per recipient basis?

"Jeff Cochran" <jeff.nospam@zina.com> wrote in message
news:4224daca.1275952382@msnews.microsoft.com...
> On Tue, 1 Mar 2005 00:42:32 +0700, "Paul" <ancientsiam@yahoo.com>
> wrote:
>
> >I have setup isa2000 and configured the IIS smtp on this isa server as a
> >relay server so that all mail servers behind this firewall can relay off
> >this isa smtp server. I also set the smart host setting on the isa smtp
> >service to further relay off our ISP relay server as such:
> >
> >internal exchange servers -> isa smtp -> isp smtp relay server
> >
> >However this doesn't work properly as I view the queue the isa smtp
server
> >seems to deliver mail for every recipient on the To: Cc: and Bcc: line.
This
> >is counter productive to what I want to do and has jammed our bandwidth.
> >
> >Before the isa smtp was setup we just had our exchange server 5.5 ims
> >configured to forward mail directly to the isp smtp relay server and it
> >worked fine. But now with the isa smtp sitting between the exchange
server
> >5.5 ims and the isp smtp relay email delivery has slowed to a crawl.
> >
> >Can the IIS SMTP service that I have configured on the isa2000 to relay
be
> >set so that it doesn't attempt to deliver mail to the isp relay server on
a
> >per recipient basis?
>
> Might check the ISA group for help as well.
>
> Jeff

"Paul" <ancientsiam@yahoo.com> wrote in message
news:OjFS0xsHFHA.1948@TK2MSFTNGP14.phx.gbl...
> I don't think this is ISA related. As a point: I had configured the
Exchange
> 5.5 ims to deliver messages directly to the mail relay server at our ISP
> through the ISA server and things are fine now i.e. 1 email is delivered
for
> relay at the isp for all the addresses in the recipient fields. However I
> would still like to have the exchange server relay off a IIS SMTP server
on
> the border.
>
> The issue is one of the IIS SMTP service. The IIS SMTP service seems to
sort
> mail by the recipient domain e.g. all the recipients with @abc.com are put
> on one email for delivery; all recipients with @xyz.com are then put on
> another. So for each unique domain there are as many number of emails to
be
> delivered.
>
> e.g.:
>
> Let's say that a user sends 1 email with 10 recipients. 3 of those
> recipients all work for the same company; another 3 recipients work at
> another company; and finally 4 recipients work at yet another company like
> such:
>
> john@abc.com; peter@abc.com; mary@abc.com
> steve@123.com; paul@123.com; jane@123.com
> anne@xyz.com; frank@xyz.com; mike@xyz.com; rick@xyz.com
>
> If the above list is relayed through the IIS SMTP service the IIS SMTP
> service generates 3 emails to be delivered, where as the exchange 5.5 ims
> would only generate 1.
>
> I proved this theory by placing 2 IIS SMTP servers relaying 1 off the
other
> and examining the queue in the last IIS SMTP server in the chain, and this
> confirmed the above theory, that IIS SMTP is attempting to sort mail by
> their respective domains. This is OK if the RELAY OFF SMART HOST setting
is
> blank, but is a hindrance if the RELAY OFF SMART HOST is not blank. The
IIS
> SMTP service should not sort mail based on domain if the SMART HOST entry
is
> not blank!
>
> Thanks anyway.
>
>
>
>
>
> "Jeff Cochran" <jeff.nospam@zina.com> wrote in message
> news:4224daca.1275952382@msnews.microsoft.com...
> > On Tue, 1 Mar 2005 00:42:32 +0700, "Paul" <ancientsiam@yahoo.com>
> > wrote:
> >
> > >I have setup isa2000 and configured the IIS smtp on this isa server as
a
> > >relay server so that all mail servers behind this firewall can relay
off
> > >this isa smtp server. I also set the smart host setting on the isa smtp
> > >service to further relay off our ISP relay server as such:
> > >
> > >internal exchange servers -> isa smtp -> isp smtp relay server
> > >
> > >However this doesn't work properly as I view the queue the isa smtp
> server
> > >seems to deliver mail for every recipient on the To: Cc: and Bcc: line.
> This
> > >is counter productive to what I want to do and has jammed our
bandwidth.
> > >
> > >Before the isa smtp was setup we just had our exchange server 5.5 ims
> > >configured to forward mail directly to the isp smtp relay server and it
> > >worked fine. But now with the isa smtp sitting between the exchange
> server
> > >5.5 ims and the isp smtp relay email delivery has slowed to a crawl.
> > >
> > >Can the IIS SMTP service that I have configured on the isa2000 to relay
> be
> > >set so that it doesn't attempt to deliver mail to the isp relay server
on
> a
> > >per recipient basis?
> >
> > Might check the ISA group for help as well.
> >
> > Jeff
>
>