MailCleanup

MailCleanup Logo - Blue
Menu

Case Study

Email List Decay Report: 23.79% of Emails Decayed in 2026

by
Email List Decay

Most guidance on email list decay treats it as a steady drip. Clean your list every quarter, lose roughly the same slice of addresses, repeat. We tracked one client’s list ourselves, verified every month for a full year, and found something different. The rate itself sped up, and you’ll see exactly how much in the … Read more

Acceptable Email Bounce Rate in 2026: Benchmarks, Industry Averages & Best Practices

by
Acceptable Email Bounce Rate

If you are sending emails regularly, one question will always matter: Are your emails actually reaching inboxes? In 2026, inbox providers have become more selective than ever, and even small changes in your email bounce rate can affect your overall deliverability. Many businesses still struggle to understand what an acceptable email bounce rate looks like … Read more