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Note:

If your account has no domain records, Hosted Email Security redirects you to the Add Domain screen once you log on to the administrator console. In this case, skip steps 1 and 2.

  1. Click Domains.
  2. On the Domains screen, click Add.

    The Add Domain screen appears.

  3. In the General section, specify the following:
    • Domain name: Includes everything to the right of the at sign (@) in email addresses managed by the server(s) being added.

    • Seat count: Seats correspond to the number of actual email users in the domain.

  4. In the Inbound Servers section, specify the following:
    • Recipient: Recipient can be a wildcard (*) or an exact email address. Specify the local part of an email address.

    • IP address or FQDN: Fully qualified domain name (FQDN) is a unique name, which includes both host name and domain name, and resolves to a single IP address.

    • Port: Port is a number from 1 to 65535 that an inbound server listens on. These ports vary based on server configuration.

    • Preference: Preference, sometimes referred to as distance, is a value from 1 to 100. The lower the preference value, the higher the priority.

      If more than one mail server is available, delivery is prioritized to servers with lower values. Using the same value will balance delivery to each server.

      Note:

      You can specify up to 30 inbound servers and 30 outbound servers.

      Use the add and the remove buttons to manage additional entries.

      Here is an example to explain how messages are routed to inbound servers based on preference values.

      Table 1. Message routing example

      Recipient

      IP Address or FQDN

      Preference

      *@test.com

      1.2.3.4

      10

      recipient1@test.com

      1.2.3.5

      11

      recipient2@test.com

      1.2.3.6

      9

      If a message is sent to recipient1@test.com, Hosted Email Security routes the message to the server (IP address: 1.2.3.4) with lower preference value (10), and then the server (IP address: 1.2.3.5) if the first server is unavailable.

      If a message is sent to recipient2@test.com, Hosted Email Security routes the message to the server (IP address: 1.2.3.6) with lower preference value (9), and then the server (IP address: 1.2.3.4) if the first server is unavailable.

    • Send test message to: (optional) Email address used to confirm email delivery from Hosted Email Security.

  5. In the Outbound Servers section, specify the following:
    • Select Enable outbound protection.

      Warning:

      Enabling outbound protection without specifying outbound servers will prevent the delivery of any outbound traffic routed through the service.

    • Configure outbound servers using the following options:

      • Office 365: Relays your outbound messages from your Office 365 solution.

      • Google G Suite: Relays your outbound messages from your Google G Suite solution.

      • User-defined mail servers: Relays your outbound messages from the mail servers you specified for your managed domain.

  6. Click Add Domain.

    If the domain is valid and an MX record for the domain exists, the domain appears on the Domains screen.

    After adding a domain, Trend Micro sends a welcome message to the administrative email address on record.