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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:

Answer 1

I have tried with all the below options none of them worked, changing the password solves the issues.

Allow less secure apps ON Passed correct user/password Tried this https://accounts.google.com/DisplayUnlockCaptcha

All are correct in my case but still getting error Username and Password not accepted.

My Gmail password didn't change for a long time, after updating the password it works.