I should have also mentioned that I have used Outlook Express as a POP3 client on the server that's hosting the gossamer mail script. (No firewall in between the two.) The POP3 connection times out in Outlook Express.
Here's a little more from the log file:
\admin\admin.cgi 121284: Server spawned with pid 124176 on Mon Nov 30 17:44:20 2009
\batch/tools/gpopd.pl 124176: server started on port 8110 on Mon Nov 30 17:44:20 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [127.0.0.1] at port 2969 on Mon Nov 30 17:44:24 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 127.0.0.1 on Mon Nov 30 17:44:24 2009
\batch/tools/gpopd.pl 124176: begat 122316 on Mon Nov 30 17:44:24 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [64.151.98.20] at port 2970 on Mon Nov 30 17:44:34 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 64.151.98.20 on Mon Nov 30 17:44:34 2009
\batch/tools/gpopd.pl 124176: begat 112540 on Mon Nov 30 17:44:34 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [64.151.98.20] at port 3172 on Mon Nov 30 17:49:59 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 64.151.98.20 on Mon Nov 30 17:49:59 2009
\batch/tools/gpopd.pl 124176: begat 124636 on Mon Nov 30 17:49:59 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [127.0.0.1] at port 3215 on Mon Nov 30 17:51:51 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 127.0.0.1 on Mon Nov 30 17:51:51 2009
\batch/tools/gpopd.pl 124176: begat 118964 on Mon Nov 30 17:51:51 2009
Here's a little more from the log file:
\admin\admin.cgi 121284: Server spawned with pid 124176 on Mon Nov 30 17:44:20 2009
\batch/tools/gpopd.pl 124176: server started on port 8110 on Mon Nov 30 17:44:20 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [127.0.0.1] at port 2969 on Mon Nov 30 17:44:24 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 127.0.0.1 on Mon Nov 30 17:44:24 2009
\batch/tools/gpopd.pl 124176: begat 122316 on Mon Nov 30 17:44:24 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [64.151.98.20] at port 2970 on Mon Nov 30 17:44:34 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 64.151.98.20 on Mon Nov 30 17:44:34 2009
\batch/tools/gpopd.pl 124176: begat 112540 on Mon Nov 30 17:44:34 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [64.151.98.20] at port 3172 on Mon Nov 30 17:49:59 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 64.151.98.20 on Mon Nov 30 17:49:59 2009
\batch/tools/gpopd.pl 124176: begat 124636 on Mon Nov 30 17:49:59 2009
\batch/tools/gpopd.pl 124176: connection from 14032-23166 [127.0.0.1] at port 3215 on Mon Nov 30 17:51:51 2009
\batch/tools/gpopd.pl 124176: Starting process handle IP 127.0.0.1 on Mon Nov 30 17:51:51 2009
\batch/tools/gpopd.pl 124176: begat 118964 on Mon Nov 30 17:51:51 2009