Guides

Practical writing about Gmail filters — what breaks, what lasts, and what to do about the mail already in there.

Gmail search operators, each with a working example

The Gmail search operators worth knowing, grouped by what they search, each with a copy-pasteable example. This is the same syntax Gmail filters are built from.

Why your Gmail filters stop working (and how to tell which one broke)

Gmail filters fail silently. Here are the six reasons a working filter quietly stops matching, and how to find the culprit without deleting everything and starting again.