Clear Out Bad Addresses in Apple’s Mail

Apple’s Mail program is really smart about guessing who you are sending an email to. Type the first few letters of a person’s name (or the first few letters of his email address) and Mail fills in the rest. All you have to do is accept Mail’s suggestion, by pressing either Tab or Return on your keyboard.

(Bonus Hint: alternatively, you can type the first few letters of a person’s last name. Mail will still look it up.)

This works very well when Mail has only one suggestion. It works just slightly less well when there are several matches– for example, let’s say you’re going to email your friend Jack. You type “j” and then you type “a” and Mail shows you a list with Jack, Jason, Janet, Janice, Jamal, Jackson, James, etc. That’s easy enough to deal with– just type a little more, and the list narrows down to the one you want.

Where it really works very poorly is when someone you’ve written to changes his email address. Mail remembers the addresses of people you’ve emailed before, so even though you’ve changed the person’s name in the Address Book, Mail keeps suggesting the old address. That can be a problem.

For example, let’s say you have a friend, Joe Smith, with an email address as shown here:

Send him even one email at that address and Mail will very helpfully suggest “” every time you begin addressing an email with “joe.”

Now let’s say Joe changes his email address to something a little different (or, let’s say you had it wrong all along– no wonder he didn’t write back!). Let’s say his new address is this one:

You’ve changed it in the Address Book, but look what happens when you start addressing an email to Joe. Mail suggests both the current email address and the old one, like so:

Obviously, it would be nice if Mail would forget about Joe’s old email address. Here’s how you make that happen.

Choose “Previous Recipients” from Mail’s Window menu as shown here:

You’ll get a little window, where you can type in what you’re looking for to narrow it down. Here’s what it looked like after I searched for joe smith:

Click the address you want Mail to forget about, then click “Remove From List,” and that is that. Next time you address an email to Joe, Mail will suggest just the new address, as shown below.

Pretty cool.

This works the same way in Mail whether you’re using Lion (10.7), Snow Leopard (10.6), Leopard (10.5), or even Tiger (10.4). Have a look in your Mail program’s Previous Recipients window. I’ll bet you’ll find a bunch of addresses that can be cleared out (including some that were typos, which Mail remembers anyway).

In case you wondered: Mail looks for email addresses in both the Address Book and in the Previous Recipients list. It does not look at the addresses of people who have sent emails to you unless they are already in your Address Book or Mail’s Previous Recipients.

UPDATE: eliminated duplicate paragraph at top of blog entry (8-14-2011).

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