Why I ditched Aweber and moved back to MailChimp
For the last year or so I’ve been managing my friend Nir Eyal's email list, with thousands of subscribers. In the beginning we used MailChimp, and it worked pretty well. Then we decided to move to Aweber, mostly due to many glowing reviews and the fact that they allowed single-opt in (meaning that a user could add their email to the newsletter without confirming the email address). It turns out that single opt-in is a bad idea anyway....