At 17:35 01/28/2000 Friday , Roger Fajman wrote:

 >>    GET listname (HEADER
 >>    UNLOCK listname
 >>
 >> is sent by one of our list owners. At least one list owner has done this and
 >> got puzzled by the result.
 >
 >In general, there's no guarantee that mail will arrive in the order
 >that it was sent or be processed by LISTSERV in the order it was
 >received.  So it's not good to depend on that.

The follow-up experiment would be to place both commands in a single email message and see if anomalies result.

/Pete