Hi all, I'm getting this issue, but I'm pretty sure that all the parameters are good.

smtp server: mail.grupoarvum.com || br528.hostgator.com.br

ports: 25 || 465 || 587

user: planner@grupoarvum.com

password: Probando123

StartTLS: STARTTLS

using mail.grupoarvum.com return "hostname "mail.grupoarvum.com" does not match the server certificate"

Using br528.hostgator.com.br return "535 Incorrect authentication data"

The option smtp_openssl_verify_mode has:

smtp_openssl_verify_mode:
 default: "none"

I've tried a lot of things but without success, do you have some insighs?

However, these parameters are able to connect in other apps like thunderbird, android apps and so on. So the issue should be in my config or OP background.

Any else had this issue?

Thanks in advance.