I am trying to set up my ERP system (Dolibarr) to use our newly created email service thru Dynu. When I test the connection - it is OK. When I do a test send, I am getting 535 and 120 Authentication Errors.
My Settings are:
Parameters
Sending method SMTP/SMTPS socket library
SMTP/SMTPS Host (default value in php.ini: localhost) relay.dynu.com
SMTP/SMTPS Port (default value in php.ini: 25) 587
Authentication method Use a password (AUTH LOGIN)
SMTP username or ID (if sending server requires an authentication) relay@relay.leolaunchers.com
SMTP password or token (if sending server requires an authentication) *********** (created an IP Password )
Use TLS (SSL) encryption No
Use TLS (STARTTLS) encryption Yes
Allow connection to mail servers that are using self-signed certificates No