If you are not using imaps and smtps/submission, it is insecure and anyone sniffing will get everything. Gmail supports this for pop3, imap, and smtp. You need to turn on SSL encryption for the ...
When you set up your email on a new phone or app, you need to pick what email client you use (Gmail, Yahoo, etc.). And if you don't pick a specific client, you have to specify whether you're using an ...