DKIM_TESTING_MODE

warning

This DKIM record is in testing mode, so receivers are told to ignore signature failures. Remove t=y once you are ready.

Working today, and one change away from not working.

How we know

dkim.test
DKIM semantics as distinct from wire-level mangling: revoked (empty p=), a real 512-bit key, testing mode, wrong version, v= not first, unsupported algorithm, and a non-DKIM TXT sharing the selector. Every key is real and parses with node:crypto.