<H3>Special Instructions</H3> It is unlikely that a vendor will participate in the Connectathon by bringing an SMTP server. This server will be provided as part of Connectathon infrastructure.  <H3>Description</H3> This is the baseline test for the NAV profile. The Notification Sender sends an email through an SMTP server to a Notification Receiver. The Notification Receiver opens the email and follows the link to a set of XDS documents. The Receiver then replies to the Sender.  <H3>Evaluation</H3> The Connectathon monitor should look at the following items: <ul> <li>Email subject line (ITI TF 2:3.25.4.1.2 The subject line of the message should be human readable to support intermediation of the message by a patient).</li>  <li>If the sender implements the Acknowledgement option, look for a mailto link in the message to acknowledge the notification.</li>  <li>The attachment is as specified in ITI TF 2:3.25.4.1.2: The second multipart must be of type application/xml, and shall supply a Content-disposition header that specifies that this multipart is an attachment, with the filename set to the value 'IHEXDSNAV-UUID.xml', where UUID is a unique id for the notification message.</li>  <li>The Notification Receiver is able to process the attachment and retrieve XDS documents.</li>  <li>The Notification Sender receives an Acknowledgement email (if that option is supported).</li> </ul> 