[Dovecot] Timeout waiting for handshake from auth server

[Frank Bonnet]

Hello

I have that kind of messages in dovecot.log
anyone has those troubles ?

the machine is Debian etch 64 bits
dovecot 1.2.5 has been compiled on the machine
it run NIS client to a YPLDAPD server

thank you


Oct 02 12:15:27 auth(default): Error: do_ypcall: clnt_call: RPC: Timed out
Oct 02 12:15:33 pop3-login: Error: Timeout waiting for handshake from 
auth server. my pid=16755, input bytes=0
Oct 02 12:15:46 auth(default): Error: YPBINDPROC_DOMAIN: Domain not bound
Oct 02 12:15:46 pop3-login: Error: Timeout waiting for handshake from 
auth server. my pid=16760, input bytes=0
Oct 02 12:15:51 imap-login: Error: Timeout waiting for handshake from 
auth server. my pid=16761, input bytes=0
Oct 02 12:15:51 imap-login: Error: Timeout waiting for handshake from 
auth server. my pid=16762, input bytes=0