I've been using the same email address on google apps for years. In the last month or so, some of my emails haven't been delivered to the people I've sent them too. This has been happening when using both Mail.app (via imap) or directly on gmail itself.
I have no idea why this might be happening, maybe some stuff is getting marked as spam? I'm not a spammer... All emails that have been blocked have been personal conversations. The recipients haven't been on the same service either. Some on Gmail, some on mobile me, or even yahoo. Some have been replies, and some have been
How can I track down what's happening? Some important stuff has been missed and it's been frustrating me.