A/B testing enables you to examination two distinct variations of your respective email by sending each to a small share within your audience. By analyzing the final results, you are able to see which Edition carried out much better and send it out to the rest of your email https://www.upwork.com/services/product/development-it-email-deliverability-inbox-reduce-spam-dns-issues-fixed-dkim-spf-dmarc-1378055073774727168?ref=project_share&tier=0