PHPMailer - SMTP ERROR: Password command failed: 535 Authentication Failed

PHPMailer - SMTP ERROR: Password command failed: 535 Authentication Failed

Hi

Trying to send mails with PHPMailer and get an error. Full stack below:

Error: 2024-01-08 01:22:45 Connection: opening to ssl://smtp.zoho.com:465, timeout=300, options=array()
2024-01-08 01:22:46 Connection: opened
2024-01-08 01:22:46 SERVER -> CLIENT: 220 mx.zohomail.com SMTP Server ready January 7, 2024 5:22:47 PM PST
2024-01-08 01:22:46 CLIENT -> SERVER: EHLO localhost
2024-01-08 01:22:47 SERVER -> CLIENT: 250-mx.zohomail.com Hello localhost (105.184.4.122 (105.184.4.122))250-AUTH LOGIN PLAIN250 SIZE 32505856
2024-01-08 01:22:47 CLIENT -> SERVER: AUTH LOGIN
2024-01-08 01:22:47 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2024-01-08 01:22:47 CLIENT -> SERVER: [credentials hidden]
2024-01-08 01:22:47 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2024-01-08 01:22:47 CLIENT -> SERVER: [credentials hidden]
2024-01-08 01:22:47 SERVER -> CLIENT: 535 Authentication Failed
2024-01-08 01:22:47 SMTP ERROR: Password command failed: 535 Authentication Failed
SMTP Error: Could not authenticate.
2024-01-08 01:22:47 CLIENT -> SERVER: QUIT
2024-01-08 01:22:48 SERVER -> CLIENT: 221 mx.zohomail.com closing connection
2024-01-08 01:22:48 Connection: closed
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
Mailer Error: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

I'm quite sure that I am using the correct username and password.


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