IBM Domino Administrator 9.0.1 Social Edition Help

CONFIGURING

Enabling SMTP outbound authentication to relay hosts
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 Domino® server routes messages. The purpose of SMTP sender authentication is to authenticate the connection between a Domino router and an SMTP server.

About this task

Use this feature with SMTP servers that do not allow Anonymous connections, or with SMTP servers that allow both authenticated and non-authenticated connections.

To use the SMTP sender authentication feature, enable the feature on the Server Configuration document by specifying that authentication is enabled or required.

Procedure

1. Make sure you already have a Configuration Settings document for the server(s) to be configured.

2. From the Domino Administrator, click the Configuration tab and expand the Messaging section.

3. Click Configurations.

4. Select the Configuration Settings document for the mail server or servers you want to administer, and click Edit Configuration.

5. Click the Router/SMTP -> Basics tab.

6. In the field Use authentication when sending messages to the relay host, select one of these:

Required - Checks whether the server can authenticate. If the server cannot authenticate, no attempt is made to try a non-authenticated session.
Enabled - Checks whether the server can authenticate. If the server cannot authenticate, an attempt is made to try a non-authenticated session.
Disabled - The SMTP Authentication feature is disabled. Authentication is not attempted.

7. Specify the SMTP account name in the Name field, and the SMTP password in the Password field.

8. Click Save and Close.

Results

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 IBM® Notes® 9.0.1 Social Edition Help.

Related concepts
Planning a mail routing topology

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