>>> check logwrite = ${authresults {$primary_hostname}}
>>> = Authentication-Results: myhost.test.ex;
>>> dkim=pass header.d=test.ex header.s=sel header.a=rsa-sha1
LOG: 10HmaX-000000005vi-0000 Authentication-Results: myhost.test.ex;\n dkim=pass header.d=test.ex header.s=sel header.a=rsa-sha1
>>> check logwrite = ${authresults {$primary_hostname}}
>>> = Authentication-Results: myhost.test.ex;
>>> dkim=pass header.d=test.ex header.s=sel header.a=rsa-sha1
LOG: 10HmaX-000000005vi-0000 Authentication-Results: myhost.test.ex;\n dkim=pass header.d=test.ex header.s=sel header.a=rsa-sha1