While in your inbox, simply hold shift and scroll up or down over the messages you want to delete. Then once they are highlighted, delete them. Sometimes you will not have the option to delete from mailbox & handheld. But that's only if you have a PIN, or text, or some other sort of message in the highlighted portion.
hope that helps.
Last edited by redheadincognito; 04-17-10 at 02:06 PM.
Reason: Grammar
I didn't even notice which forum it was in, It was one of "today's posts" on the main page. I did make sure the op had a blackberry before posting my response, but that was as far as my research went.
Which app are you trying to delete emails from? If it's the gmail app, you can just check the boxes beside each message manually and you should see delete at the bottom.