Sessiontimeout Option

The  MSHTTP option specifies the Webmail client session timeout in seconds. The default is  (corresponding to 2 hours); setting   to   will result in a timeout value of    (corresponding to 30 days); attempting to set   to a positive value less than   will result in a value of   (10 seconds) being used.

The default value is: 7200

See also:
 * MSHTTP options