> I would assume that behind the scenes that the service is restricting what ports that password can be used on Assuming it's a device accessing the service ov

> I would assume that behind the scenes that the service is restricting what ports that password can be used on Assuming it's a device accessing the service over IMAP and SMTP that can access multiple networks, restricting by IP and/or port won't really help. As I noted in my other reply, it's easy enough to script access to the account if have the password and there's no real association between the application and the credentials that are used for access.