Gregg Eldred

A question was posted to the Notes listserv today:

We are trying to configure a Domino 8 server to change how it handles outbound mail. Currently, it routes to a smarthost that just accepts all messages from the Domino server's address. The administrator for the smarthost is reconfiguring and they want the Domino server to authenticate when it connects to the smarthost (which is how their clients are required to send outbound messages). I don't have a Domino 8 server to look at, but my Domino 7 system does not have any places that I can find to enter username/password for the SMTP authentication.

Thankfully, the Domino server is on Release 8. In R8, a new feature was added allowing the Domino server to send authenticated SMTP to a relay host. From Administrator Help:

You can use SMTP sender authentication to ensure that the sender of a message is a legitimate user of an SMTP server. SMTP sender authentication requires an account name and password for the destination SMTP server. The account name you use must be an account on the relay host SMTP server to which a specific IBM® Lotus® Domino™ server routes messages. The purpose of SMTP sender authentication is to authenticate the connection between a Domino router and an SMTP server. Use this feature with SMTP servers that do not allow Anonymous connections, or with SMTP servers that allow both authenticated and non-authenticated connections.

Setting this up is, as friend likes to say, "easy peasy." Open the Messaging Configuration Document for your SMTP server and make the change, as shown below:



Save and close the document. Restart the Router. There you have it: SMTP Authentication on outbound messages.

One little item that might be of interest:

To ensure the security of the SMTP account name and password, the Server Configuration Document should be encrypted. A server ID must be included in the server's encryption list to allow the server to decrypt the document. For instructions on encrypting the Server Connection document, see the topic "Encrypting documents using secret keys" in the IBM® Lotus® Notes® client help.

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