Problem to send an email with smtp

I want to send an email with ScadaBR, I use the name of the server that my company use to send emails in the "SMTP host", with the port 25. but I have an error "connection failed with the server"

This is the error:

Failed to send email titled "ScadaBR test email" to "". Message: "Mail server connection failed; nested exception is javax.mail.MessagingException: Could not connect to SMTP host:, port: 25; nested exception is: Unrecognized Windows Sockets error: 10107: connect"

the email destination the server name is :

Can anyone help me please