A.4 Using Microsoft Exchange as an SMTP server
If your facility uses a Microsoft Exchange email server, it can be used by the IMD rPDU to send Alarm and
Warning notification emails if desired. However, the Exchange server may need to be configured to allow
SMTP connections from the unit first, as later version of Exchange often have SMTP services or basic au-
thentication disabled by default. If you encounter difficulties in getting your IMD rPDU to send emails
through your Exchange server, the following notes may be helpful in resolving the problem.
NOTE: These suggestions only apply if you are using your own, physical Exchange server. Microsoft’s
hosted Office365 service is not compatible with the IMD rPDU using firmware versions prior to v3.0.0,
as Office365 requires a StartTLS connection. Firmware versions 3.0.0 and beyond have support for
StartTLS and are compatible with Office365.
First, since the IMD rPDU cannot use IMAP or Microsoft’s proprietary MAPI/RPC Exchange/Outlook proto-
cols to send messages, you will need to enable SMTP by setting up an SMTP Send Connector in the
Exchange server. More information on setting up an SMTP Send Connector in Exchange can be found at
this Microsoft TechNet article: http://technet.microsoft.com/en-us/library/aa997285.aspx
Next: Your Exchange server may also need to be configured to allow messages to be relayed from the
monitoring unit. Typically, this will involve turning on the Reroute incoming SMTP mail option in the
Exchange server’s Routing properties, then adding the IMD rPDU’s IP address as a domain which is
permitted to relay mail through the Exchange server. More information about enabling and configuring
SMTP relaying in Exchange can be found at this Microsoft TechNet article:
http://technet.microsoft.com/en- us/library/dd277329.aspx
The SMTP AUTH PLAIN and AUTH LOGIN authentication methods for logging in to the server are often
no longer enabled by default in Exchange; only Microsoft’s proprietary NTLM authentication method is
enabled.
To re-enable the AUTH LOGIN method:
1. In the Exchange console select Server Configuration - Hub Transport.
2. Right-click the client server, and select Properties.
3. Select the Authentication Tab and click the Basic Authentication checkbox.
4. Deselect the Offer Basic only after TLS checkbox.
5. Apply or Save and click Exit.
NOTE: You may need to restart the Exchange service after making these changes.
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