MAIL_DRIVER=sendmail

MAIL_DRIVER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_USERNAME=test@gmail.com
MAIL_PASSWORD=***
MAIL_FROM_ADDRESS=test@gmail.com
MAIL_ENCRYPTION=tls
MAIL_FROM_NAME=Test

Expected response code 250 but got code "535", with message "535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8 https://support.google.com/mail/?p=BadCredentials b91sm1640930otc.29 - gsmtp
"

MAIL_DRIVER = smtp
MAIL_HOST = smtp.gmail.com
MAIL_PORT = 587
MAIL_USERNAME = your-gmail-username
MAIL_PASSWORD = your-application-specific-password
MAIL_ENCRYPTION = tls

php artisan config:cache

php artisan make:controller MailController --plain

Route::get('sendbasicemail','MailController@basic_email');
Route::get('sendhtmlemail','MailController@html_email');
Route::get('sendattachmentemail','MailController@attachment_email');