dkim_verify
This plugin will verify DKIM signatures as defined by RFC 6376 and add an Authentication-Results header as appropriate.
Configuration
There is no configuration required for this plugin.
Testing
This plugin also provides a command-line test tool that can be used to debug DKIM issues or to check results.
# dkimverify < message
identity="@gmail.com" domain="gmail.com" result=pass
You can add --debug
to the option arguments to see a full trace of the processing.
Notes
This plugin and underlying library does not currently support DKIM body length limits (l=).