If you have set up your SPF (Sender Policy Framework) record but you haven’t tested it, then here’s an easy method of checking if it works. Send off an email to:
If you get a response where it says that it has passed, then you’re good to go. Otherwise, you’ll have to do some more testing to see why it’s not working. OpenSPF is a great place to start as far as finding the right tools and how to do setups for SPF records.