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Instantly and Smartlead both say their open data is unreliable. Bots, Apple and security scanners inflate it. We filter them out. Here's what's fake, and what a trusted open rate looks like.
Amin Memon
Last updated on: October 23, 2026
Two GlockApps seed tests, real sends from Deliveryman infrastructure. Every Microsoft 365 seed landed in the inbox. Here are the results, including where we still fall short, and what drives Microsoft placement.
Amin Memon
October 23, 2026
SURBL lists the domains inside your emails, not your sending IP. Here is how it works, what gets domains listed, which inboxes it affects, and exactly what to do if yours is on it.
Amin Memon
October 22, 2026
Cold email has quietly become one of the strongest growth levers for most B2B startups. Not because it’s fancy.But because it’s direct. You’re reaching out to people who could genuinely benefit from what you’re building and starting conversations that can turn into partnerships, customers, or insights you simply can’t get anywhere else. At its simplest, […]
Amin Memon
February 16, 2026