The 2026 Internal Email Benchmarks Report

Are your internal emails performing — or just adding to inbox volume?

Internal communicators are under pressure to reach employees, cut through noise and show results. But without benchmarks, it’s hard to know what’s working. The opportunity is to treat internal email as a measurable channel — one guided by real data, not assumptions.

In the “2026 Internal Email Benchmarks Report,” PoliteMail analyzes billions of internal emails to reveal how employees actually engage with corporate communications.

This report will help you:

  • Benchmark your email performance.
  • Understand how much employees actually read.
  • Identify gaps between opens and attention.
  • Optimize frequency, content and timing.
  • Compare results across industries and audience sizes.
  • Focus on metrics that reflect real engagement.

Whether you’re refining your strategy or improving results, this report gives you the clarity to move forward with confidence.