Applies to: Exchange Server 2007 SP3, Exchange Server
2007 SP2
Topic Last Modified: 2007-08-24
Use the Connections tab to configure the time-out settings, connection limit settings, and the proxy target port for POP3 and IMAP4.
 Note: |
|---|
| After you have configured connection settings for the POP3 or IMAP4 service by using the Exchange Management Console, you must restart either the POP3 or IMAP4 service, depending on which service you are using. For more information about how to restart the IMAP4 service, see How to Start and Stop the IMAP4 Service. For more information about how to restart the POP3 service, see How to Start and Stop the POP3 Service. |
- Time-out Settings
-
- Authenticated time-out (seconds) Use
this text box to specify the amount of time to wait before closing
idle authenticated connections. The default setting is
1800 seconds and the valid input range is 30 to
86400 seconds.
- Unauthenticated time-out (seconds) Use
this text box to specify the amount of time to wait before closing
idle unauthenticated connections. The default setting is
60 seconds and the valid input range is 10 to
3600 seconds.
- Authenticated time-out (seconds) Use
this text box to specify the amount of time to wait before closing
idle authenticated connections. The default setting is
1800 seconds and the valid input range is 30 to
86400 seconds.
- Connection Limits
-
- Maximum connections Use this text box
to specify the total number of connections the Client Access server
will accept. This includes authenticated and unauthenticated
connections. The default value is 2000 and the valid input range is
1 to 25000.
- Maximum connections from a single IP
address Use this text box to specify the
number of connections that the Client Access server will accept
from a single IP address. The default value is 20 and the valid
input range is 1 to 1000.
- Maximum connections from a single
user Use this text box to specify the maximum
number of connections that the Client Access server will accept
from a particular user. The default value is 10 and the valid input
range is 1 to 1000.
- Maximum command size Use this text box
to specify the maximum size of a single command. The default value
is 40 bytes and the valid input range is 40 to 1024.
- Maximum connections Use this text box
to specify the total number of connections the Client Access server
will accept. This includes authenticated and unauthenticated
connections. The default value is 2000 and the valid input range is
1 to 25000.
- Command Relay
-
- Proxy target port Use this text box to
specify the port on the
Microsoft Exchange Server 2003 back-end server
for which POP3 and IMAP4 will relay commands. The default port is
110 for POP3 and 143 for IMAP4. The valid input range is 0 to
65535. Using a value of 0 will disable proxying commands to the
Exchange 2003 back-end server.
- Proxy target port Use this text box to
specify the port on the
Microsoft Exchange Server 2003 back-end server
for which POP3 and IMAP4 will relay commands. The default port is
110 for POP3 and 143 for IMAP4. The valid input range is 0 to
65535. Using a value of 0 will disable proxying commands to the
Exchange 2003 back-end server.
For More Information
For more information about POP3 and IMAP4, see the following topics: