A good cold email open rate is 40–60% in 2026. The average across all B2B cold campaigns is 44%. Open rates below 30% indicate deliverability issues or poor subject lines.https://coldmailopenrate.com/https://coldmailopenrate.com/blog/are-open-rates-accurate/https://coldmailopenrate.com/blog/are-open-rates-accurate/Apple MPP auto-loads pixels and Gmail proxies images — why opens overcount, what they still tell you, and what to measure instead.Thu, 11 Jun 2026 00:00:00 GMThttps://coldmailopenrate.com/blog/what-is-a-good-cold-email-reply-rate/https://coldmailopenrate.com/blog/what-is-a-good-cold-email-reply-rate/2–6% total, 1–3% positive — the reply benchmarks from 5M+ cold emails and the three variables that separate 1% campaigns from 5% campaigns.Thu, 11 Jun 2026 00:00:00 GMThttps://coldmailopenrate.com/blog/do-tracking-pixels-hurt-deliverability/https://coldmailopenrate.com/blog/do-tracking-pixels-hurt-deliverability/Shared tracking domains, bulk-mail fingerprints, and degraded data — when to custom-domain your tracking and when to turn it off.Thu, 11 Jun 2026 00:00:00 GMThttps://coldmailopenrate.com/blog/cold-email-open-rate-benchmarks/https://coldmailopenrate.com/blog/cold-email-open-rate-benchmarks/Comprehensive open rate benchmarks by industry, company size, and email provider based on 5M+ cold emails.Wed, 28 Jan 2026 00:00:00 GMThttps://coldmailopenrate.com/blog/subject-lines-that-get-opened/https://coldmailopenrate.com/blog/subject-lines-that-get-opened/Real subject lines that achieved 60%+ open rates across B2B cold campaigns, with formatting rules and A/B test data.Mon, 26 Jan 2026 00:00:00 GMThttps://coldmailopenrate.com/blog/why-open-rate-dropping/https://coldmailopenrate.com/blog/why-open-rate-dropping/The 8 most common causes of declining open rates and the exact fixes for each, backed by deliverability data.Sat, 24 Jan 2026 00:00:00 GMT