Would you please run your tests with the different canonicalization methods again sending to <email address hidden> and report your results. It runs the same DKIM library as Yahoo! and will return the body of your messages as an attachment so you can see if it's modified in transit.
Would you please run your tests with the different canonicalization methods again sending to <email address hidden> and report your results. It runs the same DKIM library as Yahoo! and will return the body of your messages as an attachment so you can see if it's modified in transit.