Your email account is the most direct link to your state of digital security. All that stands between your messages and the eyes of a stranger is the snap judgment of an algorithm.
As security guru Bruce Schneier says, the metadata that rides along with your email today includes enough information about you to be classified as surveillance. Do you want your personal information to leak, day in and day out, to some of society's most unseemly characters?
Wikipedia on Metadata
@schneierblog Metadata = Surveillance
Take ownership of your email account and never worry about email security again.