Re: Subject Line Prefix Missing

This is getting OT, but...

On Wed, Oct 30, 2019 at 02:21:12PM +0000, Johannes Demel wrote:
> My solution
> 1. If "Mail From 'discuss-gnuradio@gnu.org'"
> 2. If "Mail To 'discuss-gnuradio@gnu.org'"

Mailing list software for decades inserts unique headers for filtering
purpose. "List-Id" is AFAICT the most common one, which is also used by
GNU mailman. It has been specified in 2001 in RFC2919
http://www.faqs.org/rfcs/rfc2919.html

Regards,
Harald
--
- Harald Welte <laforge@osmocom.org> http://laforge.gnumonks.org/
============================================================================
"Privacy in residential applications is a desirable marketing option."
(ETSI EN 300 175-7 Ch. A6)