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This guide walks you through configuring Lotus Domino to relay all outbound mail through MailChannels Outbound Filtering.

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Prerequisites

  • Access to Domino Administrator
  • Your MailChannels SMTP username and password

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Configure the relay

1

Open the server configuration

Open Domino Administrator, click Administration, and select the Configuration tab. Click Configurations, then double-click the name of your Domino server.
2

Set the relay host

At the top of the window, click Edit Server Configuration. Select the Router/SMTP tab in the first row (this also selects the Basics tab in the second row).Under Relay host for messages leaving the local internet domain, enter:
smtp.mailchannels.net
3

Enable SMTP authentication

In the Use authentication when sending messages to the relay host field, select:RequiredThis checks whether the server can authenticate. If the server cannot authenticate, no attempt is made to try a non-authenticated session.Enter your MailChannels credentials:
FieldValue
NameYour MailChannels SMTP username
PasswordYour MailChannels SMTP password
4

Set the transfer retry interval

Select the Restrictions and Controls tab from the second row, then the Transfer Controls tab from the third row.Set Initial Transfer Retry Interval to 1 minute or higher.
5

Save and test

Click Save & Close to apply the configuration. Send a test message to confirm that outbound mail is relaying through MailChannels as expected.