IIS SMTP Service is a high performance SMTP server on Windows NT/2000/XP. You can use it to send email easily with Email Marketer.
When a message is submitted to IIS SMTP service, consider it "fire and forget." IIS handles the low level delivery details. If a failure occurs, the message is retried at user defined intervals. If a message can not be delivered after a user defined expiration period, notifications can be sent to an email addresses you specified.