We will elaborate the methods below soon…
1.) First, Login on your Gmail account on a browser
2.) Turn on “Allow less secure apps”
https://www.google.com/settings/u/1/security/lesssecureapps
3.) Then, unlock captcha
→ https://accounts.google.com/b/0/DisplayUnlockCaptcha
4. Enter credentials on SMTP MMIO Integration
Username → enter your Gmail account's email (ex: johndoe@gmail.com)
Password → enter your Gmail account's password
Host → enter this value smtp.gmail.com
Port → 587
Full article coming soon…