Categories Case Studies How Two Successful Brands Use Litmus to QA, Test, and Stay in the Inbox Post author By Liat Kornowski and Dan Oshinsky Post date August 30, 2023 Peapod Digital Labs and BoyleSports use Litmus’s suite of tools to personalize, optimize and increase deliverability. Tags Adding personalization to newsletters, Deliverability, Email authentication, Email mistakes, Spam traps, SPF DKIM and DMARC, Staying out of the spam folder, Tech for email