Re: IP Blocker in SBS2003 exchange

Thanks Bernie,

I had that in mind, but was hoping I could sort out why the problem was
happening before putting a band-aid on it.

Tony.
"Bernie Hunt" <bhunt@xxxxxxxxxxxxx> wrote in message
news:up4FG6anFHA.3960@xxxxxxxxxxxxxxxxxxxxxxx
> Tony,
>
> The problem is with the internet connection. That ISP is blocking port 25.
> I would guess it's probably a home. I have the same problem with my cable
> modem at home.
>
> Solution is to create a second listening port for SMTP on your server. You
> can't move the existing one off port 25 or no one else can send you mail.
>
> Open Exchange System Manager and drill down to YourDomain | Servers |
> YourServer | Protocals | SMTP. You should see Default SMTP virtual Server
> in the right pane. Right click Default SMTP virtual Server and select
> properties. On the General tab, click the Advanced button. Use the Add
> button to add a new Identification at port 2025, using the same IP address
> as the existing identification. (I use port 2025, just because it's easy
> for me to remember, you can use what ever you like.) Click OK, OK, and OK.
>
> Now drill holes in your firewalls for your new SMTP port, in this example,
> port 2025, to reach the server.
>
> Last step configure the laptop to send it's mail on port 2025 rather than
> port 25.
>
> The user can now send mail from anywhere on the interent to your server
> using it's own unique SMTP port.
>
> Bernie
>
>
> "Tony" <td24601@xxxxxxxxxxxx> wrote in message
> news:e3$4GjWnFHA.1212@xxxxxxxxxxxxxxxxxxxxxxx
>> Thanks for the reply.
>>
>> I don't mind you asking about why OE. basically the user does not like
>> how OWA or Outlook works (he likes seeing the bars go accross the
>> send/receive dialogue box).
>> What I was trying to explain in the telnet section was that I realise the
>> server is listening for connections on ports 110 and 25. The problem I'm
>> having is that this one user cannot telnet in from the one place via port
>> 25, something is stopping his PC from connecting, but he can connect to
>> port 110.
>>
>> What I mean by change the internet is that he has ADSL connection as well
>> as another wireless broadband connection. The ADSL is the one that is
>> stopping him from sending emails and telnetting to port 25. When he
>> connects to the wireless broadband he can send and receive as normal as
>> well as telnet to port 25.
>>
>> if have not setup his IP address in the "all but the list below" area...
>>
>>
>> "Lanwench [MVP - Exchange]"
>> <lanwench@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
>> message news:uJcRmSWnFHA.3900@xxxxxxxxxxxxxxxxxxxxxxx
>>>
>>>
>>> In news:uDicdAWnFHA.764@xxxxxxxxxxxxxxxxxxxx,
>>> Tony <td24601@xxxxxxxxxxxx> typed:
>>>> Hi,
>>>>
>>>> I have a problem with Outlook Express users sending mail through
>>>> Exchange 2003 on SBS2003.
>>>
>>> Ooh, but do you mind if I ask why you have Outlook Express users?
>>>
>>>> Basically, the user can send emails from all places he needs to (ie,
>>>> home, office etc) except one. He can receive emails alright, but
>>>> when he goes to send it comes up with a cannot find server error.
>>>> If I telnet to the server (telnet <FQDN> 110) it works,
>>>
>>> That just tells you it's listening for POP connections. Not relevant.
>>>
>>>> but if I
>>>> telnet <FQDN> 25 it can't find the server.
>>>
>>> If you telnet on port 25 to the NetBIOS name of the server, what
>>> happens? What TCP/IP address is the SMTP virtual server listening on?
>>>
>>>> The FQDNs are the same.
>>>
>>>> If I change the internet connection, it works fine.
>>>
>>> Change it to what? Where is this?
>>>
>>>> I am thinking that the Virtual SMTP server is blocking this one IP
>>>> address from sending even though it is setup to connect if
>>>> authenticated.
>>>
>>> Possibly, but it seems unlikely unless you're getting an error in your
>>> POP client.
>>>
>>>
>>>> Is there an IP Blocker in a standard install of SBS2003?
>>>
>>> Sure, if you added his IP address and said "all but the list
>>> below"...which seems unlikely.
>>>
>>>> Or, what else could be causing this?
>>>
>>> Why have users use OE/POP anyway? I disable it by default....OWA, or
>>> Outlook, my friend. :)
>>>>
>>>> thanks in advance..
>>>> Tony Dawes.
>>>
>>>
>>>
>>
>>
>
>


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