Email Marketing
Why Your Email Open Rates Are Dropping (And How to Fix It)
Diagnose the six most common causes of falling open rates — and the fixes that actually move the needle.
2026-05-08 6 min
Cause 1: You're landing in Promotions
Move to a custom-domain sender, warm up your list, and cut promotional language in subject lines.
Cause 2: Stale list
Prune subscribers who haven't opened in 90 days. A smaller engaged list beats a big cold one.
Cause 3: Weak subject lines
Curiosity, benefit, or urgency — pick one. Test relentlessly.
Cause 4: Wrong send time
Different audiences open at different times. Test Tuesday, Wednesday, and Sunday mornings.
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