Caros amigos, fiz um site e na hora do usuário se cadastrar no site da o seguinte erro "Developer Details: E-mail couldn't be sent. Error returned: authentication failure [sMTP: Invalid response code received from server (code: 535, response: 5.7.1 Username and Password not accepted. Learn more at 5.7.1 http://mail.google.com/support/bin/answer.py?answer=14257 q5sm321944ybe.18)]. (EMAIL_FAILED)" a minha configuração esta assim: $tNG_email_host = "smtp.matheusgomes.com"; $tNG_email_user = "matheusgomes@matheusgomes.com"; $tNG_email_port = "25"; $tNG_email_password = "******"; $tNG_email_defaultFrom = "matheusgomes@matheusgomes.com"; tenho que configurar alguma coisa no meu cpanel web mail?? des de já obrigado