Article ID: 165186
Article Last Modified on 2/26/2007
APPLIES TO
- Microsoft Exchange Server 5.0 Standard Edition
- Microsoft Exchange Server 5.5 Standard Edition
- Microsoft Exchange 2000 Server Standard Edition
This article was previously published under Q165186
SUMMARY
This article describes how to telnet to port 110 on servers that are running Exchange Server versions 5.0 and 5.5 and Exchange 2000 Server. This procedure is useful for troubleshooting communication problems between a POP3 client and a mailbox located on an Exchange Server or Exchange 2000 Server computer.
MORE INFORMATION
Perform the following steps to ensure that you have proper POP3 connectivity to a mailbox that is located on an Exchange Server or Exchange 2000 Server computer.
NOTE: Press the ENTER key after you type each line.
- Start a telnet session by running the following command:
Telnet
IP_address_of_server110If a connection is made, a banner from the server is displayed that indicates the server's version, which is similar to the following:
+OK Microsoft Exchange 2000 POP3 server version 6.0.4408.0 (
server_name.domain.com) ready. - Begin communication by logging on to the mailbox with the following commands:
USER
domain/Windows_NT_account/Exchange_mailboxThe following response is displayed:
+OK
- Type the following command:
PASS
Windows_NT_domain_passwordThe following response is displayed:
+OK User successfully logged on
- Type the following command to list all mail in the mailbox:
LIST
The following response is displayed (this information varies, depending on the number of messages in the mailbox):
The message number is the number on left+OK
1 373
2 388
3 388 - Type the following command to retrieve a message:
RETR
message numberThe message that you selected by using the message number is displayed in the response, similar to the following:
+OK
Received: by YOMAN2.dns.microsoft.com
id <01BC2F60.EA72A8C0@YOMAN2.dns.microsoft.com>; Thu, 13 Mar
1997 03:44:55 -0000
Message-ID:
<A157B5AD9196D011A13A00AA0040DA1D07DB@YOMAN2.dns.microsoft.com>
From: yoman2 <yoman2@Site-A.Microsoft.com>
To: yoman2 <yoman2@Site-A.Microsoft.com>
Subject: test2
Date: Thu, 13 Mar 1997 03:44:55 -0000
X-Priority: 3
MIME-Version: 1.0
Content-Type: text/plain
<Body of Message>
If you are able to complete the preceding steps without error, any POP3 client that conforms to Request for Comments (RFC) 1939 should work to connect to the mailbox.
Keywords: kbtshoot KB165186
