The Utixo SMTP service is certified for use with Exchange servers, here are the instructions to correctly configure the connector with Exchange 2010.
Exchange must be configured to send via SMART HOST, in particular the parameters to be used are the following:
host: authsmtp.utixo.eu
Authentication: Basic
Select Basic authentication on TLS
Enter user and password provided by Utixo
Below we display the parameters as well as from the Exchange interface.