can't login

[pons bérengère]

---------------------- multipart/alternative attachment
Hi list,

i use apache1.3.20, mysql3.23.39, php4.0.6 and horde1.2.6 imp2.2.6 with =
pop3
when i enter the user identity and his password and click 'enter', =
nothing comes. after 2 or 3 minutes, the login screen says that i was =
logout because something was wrong or because of timeout=20

i use Sniffer, a program which says the packets on the network, and the =
result is:

mail.server     x.x.x.x         POP3       +OK mail.server   server =
ready
 x.x.x.x         mail.server    POP3        AUTH Login
mail.server     x.x.x.x         POP3       Text Data
x.x.x.x         mail.server     POP3       Text Data
mail.server    x.x.x.x          POP3        Text Data
x.x.x.x         mail.server     POP3        Text Data
mail.server   x.x.x.x           POP3        +OK Mailbox open, 1 message
x.x.x.x         mail.server     POP3        STAT
mail.server     x.x.x.x         POP3        +OK 1 3367
x.x.x.x         mail.server     POP3        LIST
mail.server     x.x.x.x         POP3       +OK Mailbox scan listing =
follows
x.x.x.x         mail.server     POP3        UIDL
mail.server    x.x.x.x          POP3        +OK Unique ID listings =
follows
x.x.x.x         mail.server     POP3         QUIT


it's my machine which 'quit' whereas i don't go in my mailbox and don't =
logout me!!!!!

Can anyone help me ???

---------------------- multipart/alternative attachment--