Known issues with Firefox 3 and ExpressPro This document details known issues when using ExpressPro with Firefox 3.

Some sections of ExpressPro may fail to load correctly. This can be corrected by a refresh of the browser, or by adjusting the vertical splitter between the folder tree and the message list (this will force a re-draw of the screen).

This problem is currently being investigated by MailSite Software. This document will be updated periodically.

If this issue is affecting a large user base, then the web.config file can be altered for ExpressPro. See KB 10471

The various DelayLoading sections should be set to 'True'.