send email from Emacs via googlemail

emacs-googlemail.txt

If 2FA is enabled for gmail:

1) Create an App password under Google, My Account, Sign-in and Security, App passwords
2) Copy the generated password before it disappears

In Emacs:

1) C-x m    ; compose a new email in Emacs, use C-n and C-p to navigate between fields
2) C-c C-c  ; send email
3) smtp     ; select method of sending
4) smtp.googlemail.com  ; enter the smtp server name
5) ; enter username
6) ; enter password using the generated app password if 2FA is enabled
7) yes ; save credentials to ~/.authinfo