what does 'Dropping duplicate: from pm2.totcon.com - ID: 4 '

Frank Perryman (frank@totcon.com)
Mon, 24 Feb 1997 10:51:12 -0500

What does this mean,

Sun Feb 23 15:50:23 1997: Dropping duplicate: from pm2.totcon.com - ID:
4
Sun Feb 23 15:50:26 1997: Dropping duplicate: from pm2.totcon.com - ID:
5
Sun Feb 23 15:50:29 1997: Dropping duplicate: from pm2.totcon.com - ID:
5
Sun Feb 23 15:50:36 1997: Dropping duplicate: from pm5.totcon.com - ID:
136
Sun Feb 23 15:50:39 1997: Dropping duplicate: from pm5.totcon.com -
ID: 136
Sun Feb 23 15:51:25 1997: Dropping duplicate: from pm5.totcon.com
- ID: 139
Sun Feb 23 15:51:25 1997: Dropping duplicate: from
pm5.totcon.com - ID: 139
Sun Feb 23 15:51:31 1997: Dropping duplicate:
from pm5.totcon.com - ID: 141
Sun Feb 23 15:51:32 1997: Dropping
duplicate: from pm1.totcon.com - ID: 208

Thanks
Frank