java - Gmail returns 534-5.7.14 Please log in via your web browser

Question

I found this error while i'm trying to send an email from one Gmail account to another. How to solve this error ? Help me on it.

There were an error:

534-5.7.14 Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 https://support.google.com/mail/answer/78754 hw7sm51688135pac.12 - gsmtp

Answer 1

You need to allow less secure apps, you can do it by click below link

https://www.google.com/settings/security/lesssecureapps

also try this one

https://accounts.google.com/DisplayUnlockCaptcha

if still not works try changing password for gmail