Example Evaluation

• “v=spf1 a mx a:druid.example.net -all”

• a

• • (+a) Does the sending server match the domain’s A record?
  • PASS

• mx

• • (+mx) Does the sending server match one of the domain’s MX records?
  • PASS

• a:druid.example.net

• • (+a) Does the sending server match this particular A record?
  • PASS

• -all

• • Does the sending server match everything (all)?
  • FAIL