Hi,
Looks like you have a crash. See the signal 11? That is
SIGSEGV 11 /* segmentation violation */
Hereis the result of $ strace /usr/local/sbin/dovecot &
Warm Regards, Mário Gamito [root@mail dovecot-1.0.rc22]# strace /usr/local/sbin/dovecot & [1] 22381 [root@mail dovecot-1.0.rc22]# execve("/usr/local/sbin/dovecot", ["/usr/local/sbin/dovecot"], [/* 23 vars */]) = 0 uname({sys="Linux", node="mail.sincity.lan", ...}) = 0 brk(0) = 0x92b1000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=68770, ...}) = 0 old_mmap(NULL, 68770, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f05000 close(3) = 0 open("/lib/tls/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320\216"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1525004, ...}) = 0 old_mmap(0x604000, 1223900, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x604000 old_mmap(0x729000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x124000) = 0x729000 old_mmap(0x72d000, 7388, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x72d000 close(3) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f04000 mprotect(0x729000, 8192, PROT_READ) = 0 mprotect(0x5fb000, 4096, PROT_READ) = 0 set_thread_area({entry_number:-1 -> 6, base_addr:0xb7f04aa0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 munmap(0xb7f05000, 68770) = 0 time(NULL) = 1171672393 brk(0) = 0x92b1000 brk(0x92da000) = 0x92da000 uname({sys="Linux", node="mail.sincity.lan", ...}) = 0 getpid() = 22383 geteuid32() = 0 open("/usr/local/etc/dovecot.conf", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=41343, ...}) = 0 pread64(3, "## Dovecot configuration file\n\n#"..., 2048, 0) = 2048 pread64(3, "lose (although that could also b"..., 2006, 2048) = 2006 pread64(3, "tirely.\n#ssl_parameters_regenera"..., 2044, 4054) = 2044 pread64(3, "d per each login process. This s"..., 2010, 6098) = 2010 pread64(3, "mespace settings, you can do it "..., 2044, 8108) = 2044 pread64(3, "names with eg. /path/\n# or ~user"..., 1993, 10152) = 1993 pread64(3, "daemons or other system users.\n#"..., 2006, 12145) = 2006 pread64(3, "ents work in different ways, so "..., 2028, 14151) = 2028 pread64(3, "y entries which are directories."..., 2001, 16179) = 2001 pread64(3, "hen mbox changes unexpectedly we"..., 2045, 18180) = 2045 pread64(3, "sr/libexec/dovecot/rawlog /usr/l"..., 2022, 20225) = 2022 pread64(3, "breaks by adding the line if\n #"..., 1998, 22247) = 1998 pread64(3, "u\n # tpop3d : %Mf"..., 2017, 24245) = 2017 pread64(3, "ing mails.\n #sendmail_path = /u"..., 2022, 26262) = 2022 pread64(3, "sername formatting before it\'s l"..., 2045, 28284) = 2045 pread64(3, "d nothing more).\n # You can hav"..., 1989, 30329) = 1989 pread64(3, "It isn\'t enabled by default\n "..., 2002, 32318) = 2002 pread64(3, "p://wiki.dovecot.org/AuthDatabas"..., 2041, 34320) = 2041 pread64(3, "ttp://wiki.dovecot.org/UserDatab"..., 2043, 36361) = 2043 pread64(3, "# use connect sockets. They assu"..., 2048, 38404) = 2048 pread64(3, "message would make user go over "..., 2016, 40452) = 891 pread64(3, "", 1125, 41343) = 0 close(3) = 0 socket(PF_FILE, SOCK_STREAM, 0) = 3 fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory) close(3) = 0 socket(PF_FILE, SOCK_STREAM, 0) = 3 fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory) close(3) = 0 open("/etc/nsswitch.conf", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=1623, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f15000 read(3, "#\n# /etc/nsswitch.conf\n#\n# An ex"..., 4096) = 1623 read(3, "", 4096) = 0 close(3) = 0 munmap(0xb7f15000, 4096) = 0 open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=68770, ...}) = 0 old_mmap(NULL, 68770, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f05000 close(3) = 0 open("/lib/libnss_files.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\33\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=47468, ...}) = 0 old_mmap(NULL, 41608, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xc57000 old_mmap(0xc60000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0xc60000 close(3) = 0 mprotect(0xc60000, 4096, PROT_READ) = 0 munmap(0xb7f05000, 68770) = 0 open("/etc/passwd", O_RDONLY) = 3 fcntl64(3, F_GETFD) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 fstat64(3, {st_mode=S_IFREG|0644, st_size=2090, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f15000 read(3, "root:x:0:0:root:/root:/bin/bash\n"..., 4096) = 2090 close(3) = 0 munmap(0xb7f15000, 4096) = 0 access("/usr/local/libexec/dovecot/imap", X_OK) = 0 access("/var/log/dovecot/dovecot.log", W_OK) = 0 access("/usr/local/libexec/dovecot/imap-login", X_OK) = 0 mkdir("/var/run/dovecot/", 0777) = -1 EEXIST (File exists) stat64("/var/run/dovecot/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 open("/var/run/dovecot/", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3 fstat64(3, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 getdents64(3, /* 4 entries */, 4096) = 112 getdents64(3, /* 0 entries */, 4096) = 0 close(3) = 0 mkdir("/usr/local/var/lib/dovecot", 0750) = -1 EEXIST (File exists) lstat64("/var/run/dovecot/login", {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0 open("/var/run/dovecot/login", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0 close(3) = 0 lstat64("/var/run/dovecot/login", {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0 open("/var/run/dovecot/login", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3 fstat64(3, {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 getdents64(3, /* 3 entries */, 4096) = 88 lstat64("/var/run/dovecot/login/ssl-parameters.dat", {st_mode=S_IFREG|0644, st_size=230, ...}) = 0 getdents64(3, /* 0 entries */, 4096) = 0 close(3) = 0 open("/etc/passwd", O_RDONLY) = 3 fcntl64(3, F_GETFD) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 fstat64(3, {st_mode=S_IFREG|0644, st_size=2090, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f15000 read(3, "root:x:0:0:root:/root:/bin/bash\n"..., 4096) = 2090 close(3) = 0 munmap(0xb7f15000, 4096) = 0 access("/usr/local/libexec/dovecot/dovecot-auth", X_OK) = 0 open("/dev/null", O_RDONLY|O_LARGEFILE) = 3 fcntl64(3, F_GETFD) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 dup(3) = 4 fcntl64(4, F_GETFD) = 0 fcntl64(4, F_SETFD, FD_CLOEXEC) = 0 socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 5 setsockopt(5, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 setsockopt(5, SOL_SOCKET, SO_KEEPALIVE, [1], 4) = 0 bind(5, {sa_family=AF_INET, sin_port=htons(143), sin_addr=inet_addr("192.168.5.129")}, 16) = 0 getsockname(5, {sa_family=AF_INET, sin_port=htons(143), sin_addr=inet_addr("192.168.5.129")}, [16]) = 0 listen(5, 8) = 0 fcntl64(5, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(5, F_SETFL, O_RDWR|O_NONBLOCK) = 0 fcntl64(5, F_GETFD) = 0 fcntl64(5, F_SETFD, FD_CLOEXEC) = 0 dup2(4, 0) = 0 dup2(4, 1) = 1 clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb7f04ae8) = 22384 exit_group(0) = ? Process 22383 detached