The problems started yesterday, with an inability to send an e-mail from one of my accounts. I was still receiving email at that point, and I could send from other accounts. I have 4 Gmail accounts, and an iCloud account, all set up for IMAP. This morning, all 5 accounts fail to even go online. There were a few errors about not being able to connect through the default ports, but literally nothing has changed since it was working perfectly the other day. Any clues as to what might be going on? I'm disappointed with my email setup at the moment, and I'm contemplating ditching MacMail and going back to web-based Gmail (simply using Full Screen in a Safari window). I am just unsure how my Apple address book will sync with Gmail, and how that'll work on my iPhone especially.