I have an 8120 on AT&T with a BES. I also have a Yahoo account. But, the Yahoo account doesn't push, or even sync, 100% of the time. In other words, I'll get a Yahoo e-mail that does not show up on my Blackberry but does show up on my desktop.
I'm wondering, is Gmail or something else more reliable?
I have Yahoo! and it is flawless, however I should mention I pay the premium annual price to be able to sync it with Outlook. That may have a difference.
Also seems the freebies I set up at mail.com work really good. Use them as temps