SPF checks can be specified using the below options. Most options can be inherited or explicitly set to yes or no.

  • Use SPF
    • Enable SPF checks.
  • Reject Failed SPF
    • Reject SPF checks which come back as "fail".
  • Add SPF Header
    • If the mail is not rejected, add an SPF header.

Configuration for this module is done in the [CheckSPF] section in the configuration file.

  • enable
    • Set to 1 if you wish to enable this module. Default 0 (disabled).

Taking the policies described in the other feature document, we add SPF checks to all inbound email…

Check SPF on Inbound
Policy: Default Inbound Policy
UseSPF: Yes
RejectFailedSPF: Yes
AddSPFHeader: Yes