Inbox Answers | Episode 10
Nov 10th, 2026 | 12:00 PM EST
Testing is one of the fastest ways to improve deliverability and get better results from every send. A test only helps if you can trust what it tells you.
Join ZeroBounce to learn which parts of your emails to test and which metrics to track for your goals. We'll show you how to set up tests that give reliable answers, including how to pick your test groups and how many contacts each one needs.
Working with a smaller list? We'll cover how to test with fewer contacts and how to turn single results into lessons you can use across your email program. You'll leave with a clear, step-by-step framework for running tests that lead to smarter decisions.
Which email elements to test firstHow to match your metrics to your goalsHow to choose test groups and the right sample sizeHow to run useful tests with a smaller listHow to apply test results to future campaigns
Luke Glasner
Director of Deliverability
Luke Glasner is the Director of Email Deliverabilityⓘ at ZeroBounce. Luke helps clients overcome challenges reaching the inbox and ensures they improve their email performance. He has 20 years of experience in email marketing with a strong focus on deliverability and metrics.
Reserve your seat to learn how to run email tests you can trust, then use the results to improve every campaign that follows.
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