john_serp JO

Segment for 'did not open' keeps coming back empty in Constant Contact

Want to resend last week's campaign to the people who didn't open it. Built a segment with 'did not open' on that specific email and it returns zero contacts, which can't be right with a 24% open rate. Is there a delay before the activity data is usable, or am I building the rule wrong?
segment contacts who
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rohan Oct 29, 2026
john_serp
also double check which campaign or date range the segment condition is pointing at. an empty result is quite often just the filter looking at a different send than the one you meant.
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M
maya_ppc Oct 08, 2026
john_serp
How long after the send are you building it? Non-opens aren't settled straight away, so a segment built an hour after sending can look odd. The other thing is Apple Mail privacy protection. It preloads images, which registers as an open for a lot of Apple users even if they never looked at the email, so your genuine non-opener pool can be much smaller than you'd expect. If all you want is to resend to people who didn't open, the campaign itself has a resend-to-non-openers option, which saves building a segment at all.
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