/usr/share/doc/simpleproxy/pop3users.txt is in simpleproxy 3.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | # This file lists users whose requests will be forwarded
# by simpleproxy(1) if it is started in POP3 mode.
#
guest
pascal
lord
|