exchange port address?

[kribo]

i'm trying to allow users from the outside to retrieve their mail. is there such thing as port address for exchange server(exchange web access)? <br>
currently i'm having difficulty for some users to access their mail using a browser, is there another way?<br>
could it be the configuration in the firewall?<br>
<br>
<br>
thanks,<br>
rip

 

[Zelandakh]

Firewall needs to allow access to port 25. Configure a flow through directory on the firewall to access the email server.<br>
I have firewall.company.com and my exchange server can be seen as the virtual directory firewall.company.com/exchange. People allowed to access this are in a group on NT Server called web access.<br>
<br>
To test it you can use telnet to check whether port 25 is working correctly.<br>
<br>
1. Start a TELNET session using the following command: <br>
Telnet exchangeservername 25 <br>
If this works, you will see this response from the IMC: <br>
220 exchangeservername.company.com Microsoft Exchange Internet Mail<br>
Connector 4.0.xxx.xx <br>
where xxx.xx is 837.3 for RTM, and 838.14 for SP1.<br>
<br>
2. Begin communication by typing the following command: <br>
HELO exchangeservername.company.com<br>
You should see this response: <br>
250 OK <br>
<br>
<br>
3. Type the following command to tell the IMC who the message is from: <br>
MAIL FROM:&lt;<A HREF="mailto:Admin@po1.company.com">Admin@po1.company.com</A>&gt;<br>
You should get the following response: <br>
250 OK - MAIL FROM &lt;<A HREF="mailto:Admin@po1.company.com">Admin@po1.company.com</A>&gt; <br>
<br>
<br>
4. Type the following command to tell the IMC who the message is to (use a valid Microsoft Exchange recipient's SMTP address). <br>
RCPT TO:&lt;<A HREF="mailto:User@Site.Domain.Com">User@Site.Domain.Com</A>&gt;<br>
You should see this response: <br>
250 OK - Recipient &lt;<A HREF="mailto:User@Site.Domain.Com">User@Site.Domain.Com</A>&gt; <br>
<br>
<br>
5. Type the following command to tell the IMC you are ready to send data: <br>
DATA<br>
You should see this response: <br>
354 Send data. End with CRLF.CRLF <br>
<br>
<br>
6. Type the following command to add a subject line: <br>
Subject: test message<br>
and press the Enter key twice. <br>
<br>
You will not see a response from this command. <br>
<br>
NOTE: The two Enter commands conform to RFC 822, which states that 822 Commands must be followed by a blank line. <br>
<br>
7. Type the following command to add message body text: <br>
This is a test message<br>
You will not see a response from this command. <br>
<br>
8. Type a period at the next blank line and press the ENTER key. <br>
<br>
You should see this response: <br>
250 OK <br>
<br>
<br>
9. Close the connection by typing the following command: <br>
QUIT<br>
You should see this response: <br>
221 closing connection <br>
If you received a &quot;500 Command not recognized&quot; error message for any of the above commands, it means that the IMC did not recognize what you typed due to a syntax error or invalid command. <br>
<br>
10. Sign into the Microsoft Exchange client mailbox for the user you sent the message to in Step 4 above. If your test message is there, then the inbound IMC communication is working. <br>
<br>
If any error messages appear application event log, or there are problems receiving the message, check the configuration or the communication to the host. <br>