from:nobody@example.com{CR}{LF}
PDKIM >> Signed DKIM-Signature header, pre-canonicalized >>>>>>>>>>>>>
DKIM-Signature:{SP}v=1;{SP}a=rsa-sha256;{SP}q=dns/txt;{SP}c=relaxed/relaxed;{SP}d=test.ex;{CR}{LF}{TB}s=sel_bad;{SP}h=From;{SP}bh=/Ab0giHZitYQbDhFszoqQRUkgqueaX9zatJttIU/plc=;{SP}b=;
from:nobody@example.com{CR}{LF}
PDKIM >> Signed DKIM-Signature header, pre-canonicalized >>>>>>>>>>>>>
DKIM-Signature:{SP}v=1;{SP}a=rsa-sha256;{SP}q=dns/txt;{SP}c=relaxed/relaxed;{SP}d=test.ex;{CR}{LF}{TB}s=sel_bad;{SP}h=From;{SP}bh=/Ab0giHZitYQbDhFszoqQRUkgqueaX9zatJttIU/plc=;{SP}b=;