dk-sign reference
Controls DKIM signing for selected mail.
Purpose
Controls DKIM signing for selected mail.
Syntax
dk-sign valueIllustrative example
# Illustrative only — verify syntax in your licensed PowerMTA 2 documentation
dk-sign VALUEVersion-sensitive: Replace VALUE with a setting appropriate to your topology. Verify exact syntax, scope and defaults against the documentation for the installed version.
Production guidance
- Change one variable at a time
- Document the reason for the value
- Test effective behavior, not only parser acceptance
- Monitor delivery responses after deployment
- Keep a rollback copy
Common mistakes
Common failures include using the directive in the wrong scope, copying syntax from another software version, referencing an undefined object, choosing a value that conflicts with provider signals, or reloading without validation.