"Dan Getz" <DanG***@discussions.microsoft.com> wrote in message
news:54BA6ACD-20DE-48D6-B995-1535564A9780@microsoft.com...
> We've been running an SBS 2003 server for quite some time now and have
> been
> using GFI's POP3 connector to get our e-mail from our external mail
> server.
> Unfortunately, as we've grown as a company this solution isn't working
> that
> well.  I'm considering skipping the whole POP3 connection thing and going
> with a pure exchange solution, but have a concern.  We've got a few
> aliases
> and a few e-mail only accounts on our POP3 server.  Is there a way to set
> it
> up so that if the e-mail address isn't found in exchange it will forward
> everything onto another e-mail server?  I'm thinking it would work
> something
> like this:
>
> 1.  Mail first gets delivered to exchange.  If it can't find the e-mail
> account on the exchange server (it's an alias or it's an e-mail only
> account)
> or the server is down
> 2.  Mail gets delivered to our current POP3 server (handles all e-mail
> only
> accounts and aliases).  If it's an alias, it gets sent to the Exchange and
> POP3 servers starting back at step 1.  If it can't find it here, then it
> either doesn't exist or our exchange server is down.
> 3.  Backup mail service?
>
> Only thing I see is that the servers wouldn't know whether it should
> generate an NDR or send it to the backup mail service.
>
> This may be more of a DNS question.  If so, I can ask elsewhere.
>
> One question that is for sure an Exchange question:  Anything I should
> know
> about taking an Exchange server that's been running great in the Exchange
> +
> POP3 Connector configuration and putting it into the Exchange Only
> configuration?  I'm guessing it's just MX records, but I may be really
> naive
> here. :)
>
> Thanks everyone!

"John Oliver, Jr. [MVP]" wrote:

> Here is great link explaining how to host your own SMTP mail using Exchange
> which I strongly recommend over POP3,
> http://www.msexchange.org/tutorials/MF002.html
>
> As for aliases and addtional SMTP email addresses, you can add those to
> existing user accounts.  For example, you want sa***@yourdomain.com to go to
> a certain user, simply add it as a Secondary SMTP address for that user in
> ADUC-User Properties-Email Addresses Tab.
>
>
>
> --
> John Oliver, Jr
> MCSE, MCT, CCNA
> Exchange MVP 2006
> Microsoft Certified Partner
>
> "Dan Getz" <DanG***@discussions.microsoft.com> wrote in message
> news:54BA6ACD-20DE-48D6-B995-1535564A9780@microsoft.com...
> > We've been running an SBS 2003 server for quite some time now and have
> > been
> > using GFI's POP3 connector to get our e-mail from our external mail
> > server.
> > Unfortunately, as we've grown as a company this solution isn't working
> > that
> > well.  I'm considering skipping the whole POP3 connection thing and going
> > with a pure exchange solution, but have a concern.  We've got a few
> > aliases
> > and a few e-mail only accounts on our POP3 server.  Is there a way to set
> > it
> > up so that if the e-mail address isn't found in exchange it will forward
> > everything onto another e-mail server?  I'm thinking it would work
> > something
> > like this:
> >
> > 1.  Mail first gets delivered to exchange.  If it can't find the e-mail
> > account on the exchange server (it's an alias or it's an e-mail only
> > account)
> > or the server is down
> > 2.  Mail gets delivered to our current POP3 server (handles all e-mail
> > only
> > accounts and aliases).  If it's an alias, it gets sent to the Exchange and
> > POP3 servers starting back at step 1.  If it can't find it here, then it
> > either doesn't exist or our exchange server is down.
> > 3.  Backup mail service?
> >
> > Only thing I see is that the servers wouldn't know whether it should
> > generate an NDR or send it to the backup mail service.
> >
> > This may be more of a DNS question.  If so, I can ask elsewhere.
> >
> > One question that is for sure an Exchange question:  Anything I should
> > know
> > about taking an Exchange server that's been running great in the Exchange
> > +
> > POP3 Connector configuration and putting it into the Exchange Only
> > configuration?  I'm guessing it's just MX records, but I may be really
> > naive
> > here. :)
> >
> > Thanks everyone!
>
>
>