CONFIG_FILE_CHANGES
===================
Eliminate parameter psddmarc.
New parameter checkhelo_if_no_auth.
New parameter xtag_value.

Eliminate the line with original_ri
from the call to recv_from_domain()
in db_sql_select_domain.

DATABASE CHANGES
================
Drop "original_ri" from table domain and
from procedure recv_from_domain.  See
debian/upgrade_mysql_3.21.sql for syntax.

"dmarc_ri" is kept to signal domains wanting
reports, its value will be 86400 or more
frequent (honored_report_interval).

OTHER CHANGES
=============
Using DNS Tree Walk for DMARC.

In zaggregate-example.sh:
Use sendmail option -N never, to avoid loops,
set headers:
  Auto-Submitted: auto-generated
  Precedence: bulk
  X-Auto-Response-Suppress: DR,RN,NRN,OOF,AutoReply