The Microsoft Exchange administrator will advise on the settings to use as there are multiple methods available depending on the version of Exchange and the infrastructure requirements.
Set SMTP Protocol to On
SMTP Port Number (25 is the default)
SMTP Server Name (IP address or host name or FQDN)
Set SMTP Server Timeout to 180
Authentication Protocol
Authenticate as
Login User Name
Login Password
The maximum length of the Login Password is 64 characters
SMTP Security (SSL/TLS or STARTTLS or Off)
Sender Address
The maximum length of the sender address is 128 characters
SMTP Authentication and Sender Address (Use System Settings or Use Login User Information)
Alternate Sender Address
The Microsoft Exchange administrator will advise on the email address to use