unfunnel.com
The 112 Best Email Marketing Subject Lines (so far) of 2018
Any idea what you'd learn if you sent 1.25 MILLION emails in a year? Unfunnel did just that so far in 2016, and we've learned a thing or two about what's working works in the process. We've crunched the numbers and are giving you our 112 best subject lines, plus a subject line trick guaranteed to increase your click through rate!