Re: outgoing mail is ok, incoming does not work
- From: "Oscar" <asta@xxxxxxxxxxxx>
- Date: Sun, 17 Apr 2005 17:22:02 -0700
Thanks Jim, took Paul's advice and forwarded port 25 to the external server
NIC and both IE6 browsing and and Outlook email work fine now. Have not done
any more on remote access, guess have to open some more ports for that.
Cheers and Regards, Oscar
"Jim Behning SBS MVP" wrote:
> Open the router and forward the ports you need to the ip of your
> external nic. I think 25, 80, 443, 444, and 4125 would be a good
> start.
>
> "Oscar" <asta@xxxxxxxxxxxx> wrote:
>
> >
> >
> >"Paul Campanale" wrote:
> >
> >> Oscar,
> >> Assuming you have installed ISA on the SBS, I would configure your router to
> >> pass all incomming requests to the SBS external nic IP.
> >
> >Thanks Paul for the reply - as I mentioned before I had the SBS install only
> >for a few days and it is all quite new to me. Had a quick look in the router
> >manual and there it mentions 'Port Forwarding to Local Servers' - is that
> >what you mean? Forward Port 25 to the servers external NIC address?
> >
> >> If you're concerned
> >> about security or have not installed ISA, you may configure your routter to
> >> simply "conduit" all port 25 traffic to the IP of the external nic. If this
> >> fails, your ISP may very well be blocking inward bound port 25 traffic. But
> >> honestly, it doesn't make sense why they would block inward traffic, I can
> >> understand ouward traffic, which you say is working.
> >
> >Have tested it again and outward emails are working, but can't receive
> >inbound emails.
> >Following is an excerpt from the ISP's correspondence re Port 25 blocking:
> >quote ............ The first step is the closure of Port 25 on 13th April
> >2004. Although some businesses use Port 25 to run their own email systems,
> >spammers also use it to send Spam disguised as normal emails. Shutting down
> >Port 25 will stop this kind of spamming. For more details on this initiative,
> >please click here:
> >http://bigpond.custhelp.com/cgi-bin/bigpond.cfg/php/enduser/std_adp.php?p_faqid=5562.
> >If you are a business or specialist who uses Port 25 to send legitimate
> >emails, simply select one of these Static IP services (etc etc) ........
> >end-quote
> >
> >Noticed one more thing when I tried remote access to the network. Using IE6
> >and entering https://c8086.dyndns.org/remote (this should get me the remote
> >login screen) I get a "page cannot be displayed" message, same message for
> >https://c8086.dyndns.org, however if I use http://c8086.dyndns.org I get the
> >login screen of my router. Any significance in that?
> >
> >> This leads me to suspect the problem is your router.
> >> Good luck.
> >> Paul
> >>
> >> "Oscar" wrote:
> >>
> >> >
> >> > "Oscar" wrote:
> >> >
> >> > There are currently only 2 workstations, both running XP
> >> > > Pro SP2 (Firewall disabled) and Office 2003.
> >> >
> >> > Just one correction to what I said above - looking at 'network connections'
> >> > on the PC's it says 'Connected, firewalled' - so guess the SP2 firewall is
> >> > running on the PC's.
>
> Jim B. SBS MVP
> I don't have much to say but it can be found here
> http://msmvps.com/bgb/
>
.
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