Expected response code 250 but got code “535”, with message "535-5.7.8 Username and Password not accepted?

I'm trying to setup SMTP server of gmail in my laravel website but above issue, please help me find out the solution.

If you are getting the above issue while setting up google / gmail SMTP server. You need to follow below steps it will surely solve your problem. I had also faced this issue and following the below steps resolved my problem and mail getting started to come in my inbox.

1- You need to enable 2 step verification in your google account setting 
URL: https://www.google.com/landing/2step/

2- Now create App password which you will need to use in your website
URL: https://security.google.com/settings/security/apppasswords

3- Choose "Custom Name" and click to generate

4- Go to your laravel .env file and update below details:


MAIL_PASSWORD=password (Which you just generated it)

5- Now restart your apache server

These are the steps you need to go through and it will solve your problem without any headache.