Its important and its a fact that more and more people are aware of how important privacy is.

There are disadvantages on "Free" email services. Any service that is free will not care about free users. When the user needs assistance, good luck.

If you dont have your own domain yet, it is never too late. Make sure to use email@YOUR-DOMAIN.com. If the domain is yours, you are able to change email server and take your domain with you.

Runbox is a great service. There are other rivals very good as well.