HI I am using cyrus 2.0.11 - Berkeley DB 3.2 Cyrus core dumps in several ways, here is the simplist. Shutdown calls exit() in imapd.c as a result of processing a LOGOUT imap4 command. Any help would be appreciated. Roger Massey [Current thread is 1 (process 8651)] (gdb) bt #0 0x40009f00 in _dl_map_object_deps () from /lib/ld-linux.so.2 #1 0x4000a546 in _dl_init_next () from /lib/ld-linux.so.2 #2 0x402077a5 in exit () from /lib/libc.so.6 #3 0x804d3d6 in shut_down () at imapd.c:599 #4 0x804e4df in cmdloop () at imapd.c:985 #5 0x804d1fd in service_main (argc=1, argv=0xbffff904, envp=0xbffff90c) at imapd.c:525 #6 0x804bc3f in main (argc=1, argv=0xbffff904, envp=0xbffff90c) at service.c:250 #7 0x401fecbe in __libc_start_main () from /lib/libc.so.6 (gdb)