Client-side-only rules in Outlook and Exchange. I realize the Microsoft Exchange email server can't move email to folders on my desktop computer when my desktop computer is turned off (personal folders), but there's no good reason why the server can't look for specific words in the recipients' addresses to filter a message to a folder on the server. This means that all of my mailing list rules have to be client-side rules. Lame. Anyway, this list might come in handy for those trying to figure out why their rules are client-side rules.