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The SendHustle blog

Guides and tutorials on email automation, cold outreach, mail merge, and getting more replies.

Page 2 of 2 · 13 articles

Open & Click Tracking in Gmail: What's Real and What's Not

Open rates can lie. Between image proxies and machine prefetching, here's how email tracking actually works, which numbers to trust, and how SendHustle attributes opens, clicks, and replies.

Jun 6, 2026 · 4 min read

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