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MCAINBOX

The desk · 2026-09-01

Count completed applications, not opens

An open is a maybe. A funded file starts with statements on your tray. Here is why MCA shops should retire open rate as the scoreboard.

Open rate is an easy number to put on a slide. It is a poor number to run a funding shop on. Image prefetch, privacy proxies, and scanners all inflate it. A merchant who never saw the note can still count as an open.

For merchant cash advance, the only conversion that matters is a completed application with statements. That file can be underwritten. A click cannot.

If you need an early-warning signal, watch inbox placement on a seed list, complaint rate, and bounce rate. Those move before a noisy open percentage does. Then watch replies that ask a real question, and the applications that follow.

MCAINBOX reports the file, the batch it came from, and whether it arrived complete. We will not sell you a dashboard that celebrates a 70% open rate on mail sitting in spam.

Ready to send

Bring the list. We will fold the letters and fly them in.

Placement to Gmail and Google Workspace is seed-tested. If it drops below 90% after you are at full speed, those days are credited.