Special Delivery—Why Using “Free” in Your Subject Lines Can Cost You Big

Using free in your subject line can harm deliverability

Free. But not quite clear. For the first two parts in our email deliverability series click here and here.  At some point, Webster’s Dictionary should have to re-write the definition of a headache as creating a perfectly legitimate online offer only for it to end up being flagged and sent hurtling helplessly into the infinite […]