mail

I was having this particular problem off and on when using Mac OS X Mail on my work Mac, which was set up to use our corporate exchange server, and an 'Exchange 2007' Mail account: Every so often, Mail would quit getting new messages in the inbox, and when I checked the 'Activity' window, I would get the following error:

(Screenshot to be posted here)
("Opening Mailbox — Requesting Latest Information")

Mac OS X's Mail program has a very handy feature called 'Previous Recipients' that does a very nice thing: It saves a list of every person and email address you've ever sent an email to. Then, it automatically fills in that person's email address when you type it or the person's name in the 'To' field in a new message. This is usually a good thing, because it saves you time (you don't have to look up the address again!).

However, there are times when you want to send an email to a specific email address for that person, and the email address that Mail automatically inserts is—gasp!—the wrong address. For example, I want to send an email to my friend John, so I type in "John" in the To field. Mail fills in the address I usually send emails to: john@example.com. But I want to send the mail to John's alternate address, johntheman@example.com... and I want to start sending emails to that address rather than to his first email address all the time. There are two easy solutions to this problem: