Gmail is the best I've found. Archive all your messages in case you need to refer back to them. I have 1 - 4 Personal Mail, 1 - 4 newsletters, 1 - 4 Gospel Mail, 1 -4 General Mail, 1 - 4 Sales Promos, and 1 - 4 junk mail.
I have 3 email accounts,
1. One email account was provided by our company for the office purpose
2. Gmail account, I’m using it for my personal needs
3. Hotmail account, I’m using it to receive my Facebook, twitter and Google+ updates.