Every rule we follow
cost us something first.

From our own campaigns: the mistake, what we measured, and what we do now. With the numbers. Six so far.

All episodes

Read
006 · List

The stat we stopped quoting
Read
005 · Infrastructure

The test that would have caught two dead domains eight weeks earlier
Read
004 · Copy

11 of our 13 replies were robots
Read
003 · Infrastructure

Our blocklist checker said clean. It was lying.
Read
002 · List

We fed three email verifiers 100 addresses we made up
Read
001 · Infrastructure

The one checkbox that sent us to junk

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