beware mailing list bounce automation

[Randy Bush <randy () psg com>]

[ excuse ops post ]

wondered why some queues were getting long.  decided to actually
look before running the mailing list bounce scrubber.  a whole
lot of user () tulane edu etc.  beware.  crank up them queues.
exim hack is some variation on

  tulane.edu * F,12h,30m; G,24h,3h,1.5; F,30d,12h

randy