I can't seem to figure out the proper settings in Mail (maybe they're in Gmail) so the messages I read in Mail are marked read when I go to my Gmail account through a browser.
Like comprehab said, you can't do that. The ONLY option would be to have Mail delete the message from the gmail server when it gets downloaded into Mail. There is a petition going around that hopes to convince Google to enable IMAP support for GMail, that would do what you ask.
-Macbook Pro 2GHz Core Duo 15.4", 2GB, 100GB, Superdrive, Airport, BT, 256MB ATI x1600
The ONLY option would be to have Mail delete the message from the gmail server when it gets downloaded into Mail.
I do believe that there is also the option to mark your mail on the server as "archived" after retrieving it through POP. It moves it out of your inbox, but you still have access to it in your "all mail" folder.
Just curious, how are you guys using gmail?
Is gmail your primary mail account that you're pushing through to the Mac, or do you have another email account that you're forwarding to gmail for web access. I've got the second setup and I'm not sure I have it set up right.... I get every email twice.
I use gmail as my primary, non-spam, account... I have 2-3 other accounts I use for different function, like one e-mail I use only when I fill web forms asking for an e-mail account.. I find that those forms are usually the source of much spam.
If you're getting mail twice, that's probably because the account that is being forwarded is also keeping a copy in its inbox. I know some e-mail companies give this option...