Configuring Advanced Options for SPF Check

You can configure how to proceed depending on the results of SPF checks.

You have activated the SPF check.

You can configure how to proceed depending on the results of SPF checks.

  1. Log in to the Control Panel with your administrative credentials.
  2. Select your domain from the scope selection.
  3. Navigate to Security Settings > Email Authentication.
  4. Click on Advanced options.
    Figure 1: Open advanced options

    A warning message is displayed.

  5. Important:

    Changes to the advanced options can result in the delivery of malicious emails.

    To change the advanced options, click on Confirm.
    Figure 2: Confirm
  6. Optional: Under Behavior after an SPF hard fail, define what shall happen after an SPF hardfail. You have the following options:
    • Quarantine email as spam:

      The email is marked as spam and stored in quarantine.

    • Reject email:

      The email is rejected. The email is neither delivered to the recipient nor stored in quarantine.

    • Take no action:

      The SPF hardfail does not trigger any action. Subsequently, the email is checked by other filters of our services.

    Figure 3: Select behavior after an SPF hardfail
  7. Optional: Under Behavior after an SPF soft fail, define what shall happen after an SPF softfail. You have three options:
    • Quarantine email as spam:

      The email is marked as spam and stored in quarantine.

    • Reject email:

      The email is rejected. The email is neither delivered to the recipient nor stored in quarantine.

    • Take no action:

      The SPF softfail does not trigger any action. Subsequently, the email is checked by other filters of our services.

    Figure 4: Select behavior after an SPF softfail
  8. Optional: Under Analysis, determine which email elements shall be analyzed. You have the following options:
    • Only analyze 'envelope from'
    • Only analyze 'header from'
    • Analyze 'envelope from' and 'header from'
      Note:

      If both elements are checked, this increases security, but also the false-positive rate.

    Figure 5: Configure analysis
  9. Optional: To reset the SPF settings to the default settings, click on Default settings for SPF check.
    Note:

    The default settings are to store emails as spam in quarantine after an SPF hardfail and an SPF softfail and to only analyze the envelope from.

The advanced options for the SPF check have been configured.