getting Username and Password not accepted with TLS and SSL

Replies: 0

After verifying this plugin on my Google Cloud i tried to send a test email and this error pop up while using TLS or SSL.

Connection: opening to ssl://smtp.gmail.com:465, timeout=300, options=array ( 'ssl' => array ( 'verify_peer' => false, 'verify_peer_name' => false, 'allow_self_signed' => true, ),)
Connection: opened
SMTP -> get_lines(): $data is ""
SMTP -> get_lines(): $str is "220 smtp.gmail.com ESMTP n69sm2379861ita.0 - gsmtp"
SERVER -> CLIENT: 220 smtp.gmail.com ESMTP n69sm2379861ita.0 - gsmtp
CLIENT -> SERVER: EHLO www.*****
SMTP -> get_lines(): $data is ""
SMTP -> get_lines(): $str is "250-smtp.gmail.com at your service, [104.198.50.102]"
SMTP -> get_lines(): $data is "250-smtp.gmail.com at your service, [104.198.50.102]"
SMTP -> get_lines(): $str is "250-SIZE 35882577"
SMTP -> get_lines(): $data is "250-smtp.gmail.com at your service, [104.198.50.102]250-SIZE 35882577"
SMTP -> get_lines(): $str is "250-8BITMIME"
SMTP -> get_lines(): $data is "250-smtp.gmail.com at your service, [104.198.50.102]250-SIZE 35882577250-8BITMIME"
SMTP -> get_lines(): $str is "250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH"
SMTP -> get_lines(): $data is "250-smtp.gmail.com at your service, [104.198.50.102]250-SIZE 35882577250-8BITMIME250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH"
SMTP -> get_lines(): $str is "250-ENHANCEDSTATUSCODES"
SMTP -> get_lines(): $data is "250-smtp.gmail.com at your service, [104.198.50.102]250-SIZE 35882577250-8BITMIME250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH250-ENHANCEDSTATUSCODES"
SMTP -> get_lines(): $str is "250-PIPELINING"
SMTP -> get_lines(): $data is "250-smtp.gmail.com at your service, [104.198.50.102]250-SIZE 35882577250-8BITMIME250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH250-ENHANCEDSTATUSCODES250-PIPELINING"
SMTP -> get_lines(): $str is "250-CHUNKING"
SMTP -> get_lines(): $data is "250-smtp.gmail.com at your service, [104.198.50.102]250-SIZE 35882577250-8BITMIME250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH250-ENHANCEDSTATUSCODES250-PIPELINING250-CHUNKING"
SMTP -> get_lines(): $str is "250 SMTPUTF8"
SERVER -> CLIENT: 250-smtp.gmail.com at your service, [104.198.50.102]250-SIZE 35882577250-8BITMIME250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH250-ENHANCEDSTATUSCODES250-PIPELINING250-CHUNKING250 SMTPUTF8
Auth method requested: XOAUTH2
Auth methods available on the server: LOGIN,PLAIN,XOAUTH2,PLAIN-CLIENTTOKEN,OAUTHBEARER,XOAUTH
CLIENT -> SERVER: AUTH XOAUTH2 dXNlcj1yYW1vbi5tb3JhZXNAaW50ZWdyaXRhcy5uZXQBYXV0aD1CZWFyZXIgAQE=
SMTP -> get_lines(): $data is ""
SMTP -> get_lines(): $str is "334 eyJzdGF0dXMiOiI0MDAiLCJzY2hlbWVzIjoiQmVhcmVyIiwic2NvcGUiOiJodHRwczovL21haWwuZ29vZ2xlLmNvbS8ifQ=="
SERVER -> CLIENT: 334 eyJzdGF0dXMiOiI0MDAiLCJzY2hlbWVzIjoiQmVhcmVyIiwic2NvcGUiOiJodHRwczovL21haWwuZ29vZ2xlLmNvbS8ifQ==
SMTP ERROR: AUTH command failed: 334 eyJzdGF0dXMiOiI0MDAiLCJzY2hlbWVzIjoiQmVhcmVyIiwic2NvcGUiOiJodHRwczovL21haWwuZ29vZ2xlLmNvbS8ifQ==
SMTP Error: Could not authenticate.
CLIENT -> SERVER: QUIT
SMTP -> get_lines(): $data is ""
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(): $str is "535 5.7.8 https://support.google.com/mail/?p=BadCredentials n69sm2379861ita.0 - gsmtp"
SERVER -> CLIENT: 535-5.7.8 Username and Password not accepted. Learn more at535 5.7.8 https://support.google.com/mail/?p=BadCredentials n69sm2379861ita.0 - gsmtp
SMTP ERROR: QUIT command failed: 535-5.7.8 Username and Password not accepted. Learn more at535 5.7.8 https://support.google.com/mail/?p=BadCredentials n69sm2379861ita.0 - gsmtp
Connection: closed
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

Any tips?