535 Incorrect Authentication Data

[AnT0039]

SMTP -> ERROR: Password not accepted from server: 535 Incorrect authentication data
SMTP Error: Could not authenticate. Mailer Error: SMTP Error: Could not authenticate.


i dont have no firewall.

 

[cPanelMichael]

Hello,

Have you tried logging in via Webmail to verify your email account username and password are valid? Do you have root access to this system? Please ensure you follow the guidelines from Guide To Opening An Effective Forums Thread.

Thank you.