select wbdconf.recordno, wbdconf.distid, wbdconf.distiddesc, wbdconf.lastdist,
	wbdconf.lastdistdate, wbdconf.altemail, wbdconf.altemailyn,
	wbdconf.wbd_method, wbdconf.wbd_type,
	tPerson.emailaddress, wbdconf.passwd,
	wbdconf.sdate, wbdconf.edate,
	wbdlist.grid, tPerson.emailaddress
from wbdconf, wbdlist, tPerson
where wbdconf.distid = wbdlist.distid
  and wbdconf.userid = "email"
  and (tPerson.emailaddress is not null and tPerson.emailaddress != " ")
  and wbdconf.recordno = tPerson.PersonID
  and wbdconf.sdate <= "31/01/2011"
  and (wbdconf.edate IS NULL or
       (wbdconf.edate IS NOT NULL and wbdconf.edate > "31/01/2011")
      )
UNION
select wbdconf.recordno, wbdconf.distid, wbdconf.distiddesc, wbdconf.lastdist,
	wbdconf.lastdistdate, wbdconf.altemail, wbdconf.altemailyn,
	wbdconf.wbd_method, wbdconf.wbd_type,
	wbdconf.userid, wbdconf.passwd,
	wbdconf.sdate, wbdconf.edate,
	wbdlist.grid, tPerson.emailaddress
from wbdconf, wbdlist, tPerson
where wbdconf.distid = wbdlist.distid
  and wbdconf.userid != "email"
  and wbdconf.recordno = tPerson.PersonID
  and wbdconf.sdate <= "31/01/2011"
  and (wbdconf.edate IS NULL or
       (wbdconf.edate IS NOT NULL and wbdconf.edate > "31/01/2011")
      )
order by 1, 2