What type of authentication does Gmail use for security and secure apps?

Question

gmail

Gmail sends emails like this

kind.

Using Claws Mail, which shows EMail protocol logs and allows you to correctly and thoroughly configure everything you need, I found that you can encrypt the login and password even before entering the console and you can do it

Different ways

What type of authorization does Gmail support and which one should I use?!

Answer 1

https://support.google.com/mail/answer/7126229?hl=en