Username and Password not accepted

Keep getting this, cheeked username and password 3 times. Website is live on a local server – everything else works fine but just cant get this to work.

host = smtp.gmail.com
port = 587
TLS ( i have tried both )
Use SMTP Authentication
SMTP Keep Alive : Disable

SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "535-5.7.8 Username and Password not accepted. Learn more at
"SMTP -> get_lines(): $data is "535-5.7.8 Username and Password not accepted. Learn more at
"SMTP -> get_lines(): $data was "535-5.7.8 Username and Password not accepted. Learn more at
"SMTP -> get_lines(): $str is "535 5.7.8 http://support.google.com/mail/bin/answer.py?answer=14257 d19sm8223368ioj.37 - gsmtp
"SMTP -> get_lines(): $data is "535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8 http://support.google.com/mail/bin/answer.py?answer=14257 d19sm8223368ioj.37 - gsmtp
"SMTP -> FROM SERVER:535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8 http://support.google.com/mail/bin/answer.py?answer=14257 d19sm8223368ioj.37 - gsmtp
SMTP -> ERROR: Password command failed: 535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8 http://support.google.com/mail/bin/answer.py?answer=14257 d19sm8223368ioj.37 - gsmtp
CLIENT -> SMTP: QUIT
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "221 2.0.0 closing connection d19sm8223368ioj.37 - gsmtp
"SMTP -> get_lines(): $data is "221 2.0.0 closing connection d19sm8223368ioj.37 - gsmtp
"SMTP -> FROM SERVER:221 2.0.0 closing connection d19sm8223368ioj.37 - gsmtp

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