Cpanel - SMTP ERROR - Password command failed - 535 Incorrect authentication data

Cpanel - SMTP ERROR - Password command failed - 535 Incorrect authentication data

Ошибка при отправке через SMTP gmail:

SMTP ERROR: Password command failed: 535 Incorrect authentication data

Решение:

# /scripts/smtpmailgidonly off
SMTP Mail protection has been disabled.  All users may make outbound smtp connections.