Do I need a secure connection to send e-mail?

It is possible to send e-mail without, for example, START TLS or SSL, but it is not secure. It is therefore recommended that you follow the steps for setting up IMAP or POP3 setup and setting up SMTP.

Can I install Yahoo Mail with Windows 10?

Installing Yahoo Mail with Windows 10 requires a number of things. For example, it is important to have your settings for IMAP, POP3 and SMTP at hand. On this page you will find a step-by-step plan to set up and check your Yahoo Mail.