Re: opening firewall ports on multiple IP mail server

From: Miha Pihler (mihap-news_at_atlantis.si)
Date: 08/10/04


Date: Tue, 10 Aug 2004 08:34:01 +0200

If we are still talking about mail server and not firewall (like ISA) then
again, instead of using SMTP service this time you need to edit and
configure your POP3 software solution. Assign it IPs and start the service.
It will open up the appropriate TCP ports (110). Again this can be done on
1 IP.

Mike

<anonymous@discussions.microsoft.com> wrote in message
news:321801c47e74$28c0da10$a601280a@phx.gbl...
> OK, what about POP3? Similar deal, I still need to open
> the firewall ports for each of those addresses, too.
>
> Dana
>
>
> >-----Original Message-----
> >Hi Dana,
> >
> >Ports are opened automatically once some application
> listens on that port
> >(like SMTP in your case). Just "opening" it won't do any
> good -- service has
> >to listen on it to receive the data.
> >I am not sure why you would need more then one IP to
> listen for SMTP
> >traffic. Even with one IP you can receive SMTP traffic
> for all domains, you
> >just have to setup MX records so that for all domains
> they point to that one
> >IP.
> >
> >If you are using IIS SMTP you have to create additional
> SMTP Virtual Servers
> >for every domain that you host. To each SMTP Virtual
> Server you assign one
> >IP from your pool (144-148) and start the services. This
> will open up the
> >ports for you.
> >
> >I hope this helps,
> >
> >Mike
> >
> >"Dana Netz" <anonymous@discussions.microsoft.com> wrote
> in message
> >news:279401c47dc2$c0cd3d60$a601280a@phx.gbl...
> >> Howdy,
> >> We have a Server 2003 machine that has multiple IP
> >> addresses to service several mail domains. The primary
> >> address for the machine is .133 and it is hosting mail
> >> services on addresses .144 thru .148. How can I open
> >> ports for the other IPs? I open port 25, for example
> >> on .144 and the system won't let me open port 25
> >> on .145. Or should I try? If I only need to open one
> >> port then which address should it be?
> >>
> >> Thanks in advance. Dana
> >>
> >>
> >
> >
> >.
> >



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