Lookout Product Documentation

Find answers about using and optimizing Lookout products.

Outgoing Email Settings

These settings apply to mail communication from the Postfix SMTP server to the customer’s SMTP server or to external recipients.

Field Description
Delivery options

The delivery option for transmitting outbound email, either Internet (MX) (default), or Internal Relay. For example, organizations with Microsoft Exchange servers would typically use Internal Relay.

If you choose Internal Relay, enter a domain name and port number.

Domain Name (Internal Relay) Enter a domain name for the Internal Relay delivery option.
Port (Internal Relay) Enter a port number for the Internal Relay delivery option.
Acceptable ongoing domains/IP

The domain names or IP addresses that are trusted as valid addresses for outgoing mail transmissions. The gateway will process only the items you enter here.

Enter the allowable domains or IP addresses, separated by commas.

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