Alias' in account pop-up menu when composing a message

Question

I cannot get my alias' to show up in my account pop-up menu. I have entered them several times in the mail/preferences/accounts/email address with comas inbetween but when I save them, they dissappear. I can no longer send email from my alias' because it does not give them to me in the account menu. How do I get them to stay?
Powerbook GR4   Mac OS X (10.4.5)  

Answer 1

Hi Hilal.
I don’t know whether this would make a difference, but it may be worth a try:
1. Quit Mail if it’s running.
2. Make a backup copy of the ~/Library/Mail folder, just in case something goes wrong while trying to solve the problem. You can do this in the Finder by dragging the folder to the Desktop while holding the Option (Alt) key down, for example. This is where all your mail is stored.
3. In the Finder, go to ~/Library/Preferences/. Locate com.apple.mail.plist and move it to the Desktop (to be deleted if this fixes the problem).
4. Open Mail. You’ll have to set up your non-.Mac accounts from scratch all over again. If given the option to import existing mailboxes or something like that, don’t. Just enter the account information and Mail will automagically rediscover the data in ~/Library/Mail/ when done.
You’ll also have to re-configure most of your settings in Mail > Preferences. For spam-related security reasons, the first thing you should do is go to Preferences > Viewing and disable Display remote images in HTML messages if it’s enabled.
5. As a side effect of re-creating com.apple.mail.plist, Mail might rename Outbox (which is where messages waiting to be sent are stored) to Delivered. The name of that mailbox is actually a misnomer, as it would contain messages (if any) that couldn’t be delivered for some reason. You can delete that mailbox if you wish.
Note: For those not familiarized with the ~/ notation, it refers to the user’s home folder. You can easily locate any of the folders referred to in this post by copying the folder path here, doing Go > Go to Folder in the Finder, and pasting the folder path there.