Delivery problem

[mailing at scastagnoli.info]

Sorry if I ask it again but I really would find a solution to  my problem that 
I cannot solve by my own.
The problem is that I try to use deliver from procmail I receive the following 
error in /var/log/messages:
	connect(/var/lib/imap/socket/lmtp) failed: Permission denied
Cyrus IMAP is running ok and I can connect to it from Eudora or other MUA.
Can someone help me?

Thank you so much

Stefano C.
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