We are often asked how we can be so much lower cost an alternative to Validity, and it's because we do things like giving you email deliverability check information that you can do yourself to improve email deliverability, instead of charging you a bunch to do it for you. Actually today we're going to give you two email deliverability self-help tips. One of these is actually super-easy and seems obvious, yet we regularly get a surprised look from customers when we ask them whether they have done it already.