PHWinfo - Afficher un message - Resolving mail server name internally and externally

03/04/2008, 17h50

Yes, that's right. Just create the zone and add an entry for the mail server
with the internal address.
Anthony,
http://www.airdesk.co.uk

"UNIX" <scottnospam@calibrecomputing.com.au> wrote in message
news:ObRNRCYlIHA.5820@TK2MSFTNGP04.phx.gbl...
> Hi all,
> I'll try to keep this short, but I'm hoping I've got the answer right
> already and just need some applying the solution.
>
> I have a client with an SBS2003 R2 server, and we are running several
> email domains on it for them. Because of this, I have created additional
> POP accounts on some Outlook clients as a solution for them to be able to
> 'Send As' multiple email addresses/business names.
>
> This all works just fine (It even allows them to use multiple Signatures,
> just like in Outlook Express), EXCEPT, when they are plugged into the
> Local Network/Domain, and the DNS server is pointing to the SBS Server (as
> it should), it still resolves 'mail.theirdomain.com' to the external IP
> address of their internet connection.
>
> This is fine when they ARE external to the network, as it seems to send
> through the Exchange server whilst 'Out and about' no worries. Whilst on
> the LAN though, I get a 'Could not connect to SMTP server' error.
>
> I think this is because it is trying to go 'OUT' the internet connection,
> then 'BACK IN', because it resolves the (mailserver) name to the internet
> connections Permanent IP address.
>
> I'm think all I need to do is configure the DNS server on the SBS server
> so that when the Client PC requests 'mail.theirdomain.com' to be resolved
> on the LAN, it gets the LOCAL IP address of the SBS server returned to it.
>
> Problem is, I don't know how to add this record properly to the SBS
> server.
>
> I'm pretty sure I need to add a 'Forward Zone' for the external email
> domain name, then an 'A' record for 'mail', but I don't want to screw the
> rest of the DNS server 'guessing' at how to do this.
>
> Do you just run through the 'Add Forwarder Zone' wizard which you activate
> from the 'Action' menu, or is there some other way to do it?
>
> I read somewhere that you could do this in DHCP instead? - Or am I
> completely barking up the wrong tree here?
>
> Sorry about the long-windedness!
>
> Thanks in advance
> Scott
>

03/04/2008, 17h50	#2
Anthony [MVP] Messages: n/a Hébergeur:	Re: Resolving mail server name internally and externally Yes, that's right. Just create the zone and add an entry for the mail server with the internal address. Anthony, http://www.airdesk.co.uk "UNIX" <scottnospam@calibrecomputing.com.au> wrote in message news:ObRNRCYlIHA.5820@TK2MSFTNGP04.phx.gbl... > Hi all, > I'll try to keep this short, but I'm hoping I've got the answer right > already and just need some applying the solution. > > I have a client with an SBS2003 R2 server, and we are running several > email domains on it for them. Because of this, I have created additional > POP accounts on some Outlook clients as a solution for them to be able to > 'Send As' multiple email addresses/business names. > > This all works just fine (It even allows them to use multiple Signatures, > just like in Outlook Express), EXCEPT, when they are plugged into the > Local Network/Domain, and the DNS server is pointing to the SBS Server (as > it should), it still resolves 'mail.theirdomain.com' to the external IP > address of their internet connection. > > This is fine when they ARE external to the network, as it seems to send > through the Exchange server whilst 'Out and about' no worries. Whilst on > the LAN though, I get a 'Could not connect to SMTP server' error. > > I think this is because it is trying to go 'OUT' the internet connection, > then 'BACK IN', because it resolves the (mailserver) name to the internet > connections Permanent IP address. > > I'm think all I need to do is configure the DNS server on the SBS server > so that when the Client PC requests 'mail.theirdomain.com' to be resolved > on the LAN, it gets the LOCAL IP address of the SBS server returned to it. > > Problem is, I don't know how to add this record properly to the SBS > server. > > I'm pretty sure I need to add a 'Forward Zone' for the external email > domain name, then an 'A' record for 'mail', but I don't want to screw the > rest of the DNS server 'guessing' at how to do this. > > Do you just run through the 'Add Forwarder Zone' wizard which you activate > from the 'Action' menu, or is there some other way to do it? > > I read somewhere that you could do this in DHCP instead? - Or am I > completely barking up the wrong tree here? > > Sorry about the long-windedness! > > Thanks in advance > Scott >