[Mailman-Users] maximum hop count exceeded

[Stephen J. Turnbull]

Grant Taylor writes:

 > If you are not pruning Received: headers as you pass your messages in to 
 > Mailman, they may be counted as extra headers contributing to the loop 
 > detection cludge.

But pruning Received headers has the disadvantage that you can't
detect real loops caused by some bonehead with the list in his
.forward (or more likely a broken MTA config).