Dear All, We are using Cyrus 1.6.24 with Exim. We had hoped to deliver using lmtp to benefit from single message delivery and SIEVE. However we have a serious problem, described below, which has meant that we have had to stop delivering this way for the moment. I have not been able to pin down the problem properly so it is difficult to describe. I hope that if I give enough details the symptoms will ring a bell with someone. We have 15000 active users and every day we have several messages delivered to the wrong people. What is happening is that the header from one message is being attached to the body of another. In one case a message being delivered to a long list of recipients was failing with the message in imapd.log Feb 14 10:38:57 mat.bath.ac.uk deliver[11551]: markdelivered: dbm_store: Bad fil e number The MTA reported 2001-02-14 10:38:57 14SzKm-000303-00 == [EMAIL PROTECTED] T=local_deliver y_cyrus_lmtp defer (-1): LMTP connection closed after end of data On a subsequent attempt to deliver the messages a few copies were delivered and then the MTA reported 2001-02-14 10:51:57 14SzKm-000303-00 == [EMAIL PROTECTED] T=local_delivery _cyrus_lmtp defer (-1): LMTP error after end of data: 451 4.3.0 System I/O error Entries in the log file at this time are Feb 14 10:51:56 mat.bath.ac.uk deliver[24432]: markdelivered: dbm_store: Bad fil e number Feb 14 10:51:56 mat.bath.ac.uk deliver[24432]: couldn't create stage directory: /mail/ad/stage./: File exists Feb 14 10:51:56 mat.bath.ac.uk deliver[24432]: IOERROR: creating message file /m ail/ad/stage./: File exists Feb 14 10:51:56 mat.bath.ac.uk deliver[24432]: couldn't create stage directory: /mail/ad/stage./: File exists Feb 14 10:51:56 mat.bath.ac.uk deliver[24432]: IOERROR: creating message file /m ail/ad/stage./: File exists Feb 14 10:51:56 mat.bath.ac.uk deliver[24432]: couldn't create stage directory: /mail/ad/stage./: File exists Feb 14 10:51:56 mat.bath.ac.uk deliver[24432]: IOERROR: creating message file /m ail/ad/stage./: File exists It is the header from this message which became attached to the body of another message, which then got delivered to the wrong recipients. As you can see I am not sure what is going on here so any suggestions for further investigation would be welcome. ------------------- P Christie [EMAIL PROTECTED]