For example, when we set the
Incoming Server location: mail.tuodominio.it
Outgoing Server location: mail.tuodominio.it
Outgoing Port: 587
The email message /Your mailbox is now connected to Dynamics 365/ cannot be sent because the email server location or the outgoing email port specified in the associated email server profile is incorrect.
No connection could be made because the target machine actively refused it 109.233.126.136:587
An unknown error occurred while receiving email
An error occurred while attempting to establish an SSL or TLS connection.