GWI2012SP1.
Create Access rules for Access over POP3,
Allow this for users:
U2
and
UU2

Restart GWIA and from the command line i do:
~> telnet 192.168.252.13 110
Trying 192.168.252.13...
Connected to 192.168.252.13.
Escape character is '^]'.
+OK POP3 server ready
USER UU2
+OK
PASS qwerty
+OK
STAT
Connection closed by foreign host.
ksr@kaplinux:~>

Why POP3 not work ??

Serg