Is there a way to completely supress message fields altogether, other
than EXCS?
Nope. The simple way to exclude all fields is the following:
<excs>
.*
</excs>
I have all fields supressed, but am left with the two
surraounding hard returns, making the message a bit cluttered. Can I
---------------^^^^^^^^^^^^
I think you meant horizontal rules.
get rid of the HRs another way?
What version of mhonarc are you using? Mhonarc should only
output a single rule if no header fields are printed (introduced
v1.1.0). Later versions allow you to control the HR printing
via resources. Hence, you may need to modify a message resource
to eliminate the unwanted HR(s).
--ewh