Step 4: Adding SMTP Relay Host

  1. From the left navigation panel, click Apps > Google Workspace > Gmail.
  2. Scroll-down and click Routing.
  3. In the SMTP relay service, select Configure.
  4. Enter CLOUD-SEC-AV Service for description.

  5. In the Allow Senders list, select Any Addresses checkbox.
  6. In the Authentication section, do these:
    1. Select the Only accept mail from the specified IP addresses checkbox.
    2. Add all the IP addresses relevant to your Avanan tenant (account) region.

      For the list of supported IP addresses, see IP Addresses Supported Per Region.

      To add an IP address:

      1. Click Add.
      2. In the Description field, enter CLOUD-SEC-AV NAT for the IP address.

      3. Enter the IP addresses relevant to your Avanan tenant (account) region.

        For the list of supported IP addresses, see IP Addresses Supported Per Region.

      4. Select the Enable checkbox.
      5. Click Save.
    3. Select the Require SMTP Authentication checkbox.
  7. In Encryption section, select the Require TLS encryption checkbox.
  8. Click Save.