javax.mail.AuthenticationFailedException: 534-5.7.14 <https://accounts.google.com/signin/continue?sarp=1

Question

I get the following message when trying to send email from an application. Though I have the mail.jar added for my project, it still gives me the same error. P

Answer 1

Do all these steps, otherwise the error will persists.

-You must have to log into just one gmail account (the one you are using to send email).

-Then go to https://www.google.com/settings/security/lesssecureapps and Turn On this feature.

-And last go to https://accounts.google.com/DisplayUnlockCaptcha and click Continue.