MDA Rohrbruch mit Fetchmail / Dovecot

MDA Rohrbruch mit Fetchmail / Dovecot

Ich habe mit Dovecot einen Home-Mailserver eingerichtet, um E-Mails von mehreren Webmail-Konten über IMAP herunterzuladen und zu archivieren. Das Ziel ist, dies jede Woche automatisch mit einem Cron-Job durchzuführen.

Ich bin mir nicht sicher, ob ich Dovecot Sync/Backup oder Fetchmail verwenden soll, aber da letzteres beliebt ist, habe ich es zuerst mit Fetchmail versucht. Es scheint jedoch nicht zu funktionieren, ich bekomme Folgendes:

user@mail:~$ fetchmail
38081 messages for [email protected] at imap.fastmail.com (folder Archive).
fetchmail: Error writing to MDA: Broken pipe
reading message [email protected]@imap.fastmail.com:1 of 38081 (2100 header octets) (726 body octets) not flushed
reading message [email protected]@imap.fastmail.com:2 of 38081 (4404 header octets) (6082 body octets)fetchmail: error writing message text
fetchmail: MDA error while fetching from [email protected]@imap.fastmail.com
fetchmail: Query status=6 (IOERR)

~/.fetchmailrc sieht folgendermaßen aus:

poll imap.fastmail.com protocol IMAP
     user "[email protected]" is "user@localhost" here
     folder Archive
     ssl fetchall
     mda "/usr/lib/dovecot/deliver -d user@localhost -m .fastmail.Archive"

Der Ordner .fastmail.Archive befindet sich im Stammverzeichnis von ~/Maildir. Ich verwende Maildir in meiner Dovecot-Konfiguration.

in ~/.netrc habe ich folgendes:

machine imap.fastmail.com
login [email protected]
password <secret>

Ich habe deliver auch manuell mit strace als Root ausgeführt und bekomme keine Nachricht zugestellt, wenn ich danach mein ~/Maildir überprüfe. Hier ist die Ausgabe, ich bin mir nicht sicher, was ich damit anfangen soll.

root@mail:/home/user/fastmail# strace /usr/lib/dovecot/deliver -d user@localhost < 'test.eml'
execve("/usr/lib/dovecot/deliver", ["/usr/lib/dovecot/deliver", "-d", "user@localhost"], 0x7ffcd6f61be0 /* 12 vars */) = 0
brk(NULL)                               = 0x5593bc6d8000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/tls/x86_64/x86_64/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/dovecot/tls/x86_64/x86_64", 0x7fffbb1506b0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/tls/x86_64/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/dovecot/tls/x86_64", 0x7fffbb1506b0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/tls/x86_64/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/dovecot/tls/x86_64", 0x7fffbb1506b0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/tls/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/dovecot/tls", 0x7fffbb1506b0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/x86_64/x86_64/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/dovecot/x86_64/x86_64", 0x7fffbb1506b0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/x86_64/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/dovecot/x86_64", 0x7fffbb1506b0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/x86_64/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/dovecot/x86_64", 0x7fffbb1506b0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/dovecot/libdovecot-lda.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\3206\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=34968, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e4722000
mmap(NULL, 37136, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99e4718000
mmap(0x7f99e471b000, 12288, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f99e471b000
mmap(0x7f99e471e000, 8192, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f99e471e000
mmap(0x7f99e4720000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7f99e4720000
close(3)                                = 0
openat(AT_FDCWD, "/usr/lib/dovecot/libdovecot-storage.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\332\3\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1436376, ...}) = 0
mmap(NULL, 1439128, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99e45b8000
mprotect(0x7f99e45ee000, 1167360, PROT_NONE) = 0
mmap(0x7f99e45ee000, 856064, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x36000) = 0x7f99e45ee000
mmap(0x7f99e46bf000, 307200, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x107000) = 0x7f99e46bf000
mmap(0x7f99e470b000, 53248, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x152000) = 0x7f99e470b000
close(3)                                = 0
openat(AT_FDCWD, "/usr/lib/dovecot/libdovecot.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\337\3\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1619272, ...}) = 0
mmap(NULL, 1632856, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99e4429000
mmap(0x7f99e4460000, 909312, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x37000) = 0x7f99e4460000
mmap(0x7f99e453e000, 450560, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x115000) = 0x7f99e453e000
mmap(0x7f99e45ac000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x182000) = 0x7f99e45ac000
mmap(0x7f99e45b5000, 10840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f99e45b5000
close(3)                                = 0
openat(AT_FDCWD, "/usr/lib/dovecot/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=35918, ...}) = 0
mmap(NULL, 35918, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f99e4420000
close(3)                                = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260A\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1824496, ...}) = 0
mmap(NULL, 1837056, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99e425f000
mprotect(0x7f99e4281000, 1658880, PROT_NONE) = 0
mmap(0x7f99e4281000, 1343488, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22000) = 0x7f99e4281000
mmap(0x7f99e43c9000, 311296, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16a000) = 0x7f99e43c9000
mmap(0x7f99e4416000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b6000) = 0x7f99e4416000
mmap(0x7f99e441c000, 14336, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f99e441c000
close(3)                                = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\21\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=14592, ...}) = 0
mmap(NULL, 16656, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99e425a000
mmap(0x7f99e425b000, 4096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7f99e425b000
mmap(0x7f99e425c000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f99e425c000
mmap(0x7f99e425d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f99e425d000
close(3)                                = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e4258000
arch_prctl(ARCH_SET_FS, 0x7f99e4259000) = 0
mprotect(0x7f99e4416000, 16384, PROT_READ) = 0
mprotect(0x7f99e425d000, 4096, PROT_READ) = 0
mprotect(0x7f99e45ac000, 32768, PROT_READ) = 0
mprotect(0x7f99e470b000, 28672, PROT_READ) = 0
mprotect(0x7f99e4720000, 4096, PROT_READ) = 0
mprotect(0x5593baf97000, 4096, PROT_READ) = 0
mprotect(0x7f99e474b000, 4096, PROT_READ) = 0
munmap(0x7f99e4420000, 35918)           = 0
getuid()                                = 0
geteuid()                               = 0
getrandom("\x1c\x75\x34\x6d", 4, 0)     = 4
brk(NULL)                               = 0x5593bc6d8000
brk(0x5593bc6f9000)                     = 0x5593bc6f9000
uname({sysname="Linux", nodename="mail", ...}) = 0
getpid()                                = 7234
openat(AT_FDCWD, "/dev/null", O_WRONLY) = 3
fcntl(3, F_GETFD)                       = 0
fcntl(3, F_SETFD, FD_CLOEXEC)           = 0
rt_sigaction(SIGPIPE, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7f99e4296840}, NULL, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=0x7f99e4520210, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f99e4296840}, NULL, 8) = 0
geteuid()                               = 0
rt_sigaction(SIGINT, {sa_handler=0x7f99e4520c20, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f99e4296840}, NULL, 8) = 0
pipe([4, 5])                            = 0
fcntl(4, F_GETFL)                       = 0 (flags O_RDONLY)
fcntl(4, F_SETFL, O_RDONLY|O_NONBLOCK)  = 0
fcntl(5, F_GETFL)                       = 0x1 (flags O_WRONLY)
fcntl(5, F_SETFL, O_WRONLY|O_NONBLOCK)  = 0
fcntl(4, F_GETFD)                       = 0
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
fcntl(5, F_GETFD)                       = 0
fcntl(5, F_SETFD, FD_CLOEXEC)           = 0
epoll_create(128)                       = 6
fcntl(6, F_GETFD)                       = 0
fcntl(6, F_SETFD, FD_CLOEXEC)           = 0
epoll_ctl(6, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161333872, u64=94093009887344}}) = 0
rt_sigaction(SIGTERM, {sa_handler=0x7f99e4520c20, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f99e4296840}, NULL, 8) = 0
umask(077)                              = 022
socket(AF_UNIX, SOCK_STREAM, 0)         = 7
fcntl(7, F_GETFL)                       = 0x2 (flags O_RDWR)
fcntl(7, F_SETFL, O_RDWR|O_NONBLOCK)    = 0
connect(7, {sa_family=AF_UNIX, sun_path="/var/run/dovecot/config"}, 110) = 0
fcntl(7, F_GETFL)                       = 0x802 (flags O_RDWR|O_NONBLOCK)
fcntl(7, F_SETFL, O_RDWR)               = 0
write(7, "VERSION\tconfig\t2\t0\nREQ\tmodule=ld"..., 70) = 70
fstat(7, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
fcntl(7, F_GETFL)                       = 0x2 (flags O_RDWR)
alarm(10)                               = 0
read(7, "\nmail_privileged_group=mail\nname"..., 8192) = 810
alarm(0)                                = 10
close(7)                                = 0
stat("/etc/resolv.conf", {st_mode=S_IFREG|0644, st_size=174, ...}) = 0
openat(AT_FDCWD, "/etc/host.conf", O_RDONLY|O_CLOEXEC) = 7
fstat(7, {st_mode=S_IFREG|0644, st_size=9, ...}) = 0
read(7, "multi on\n", 4096)             = 9
read(7, "", 4096)                       = 0
close(7)                                = 0
openat(AT_FDCWD, "/etc/resolv.conf", O_RDONLY|O_CLOEXEC) = 7
fstat(7, {st_mode=S_IFREG|0644, st_size=174, ...}) = 0
read(7, "# Dynamic resolv.conf(5) file fo"..., 4096) = 174
read(7, "", 4096)                       = 0
close(7)                                = 0
uname({sysname="Linux", nodename="mail", ...}) = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 7
connect(7, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(7)                                = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 7
connect(7, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(7)                                = 0
openat(AT_FDCWD, "/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 7
fstat(7, {st_mode=S_IFREG|0644, st_size=526, ...}) = 0
read(7, "# /etc/nsswitch.conf\n#\n# Example"..., 4096) = 526
read(7, "", 4096)                       = 0
close(7)                                = 0
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 7
fstat(7, {st_mode=S_IFREG|0644, st_size=35918, ...}) = 0
mmap(NULL, 35918, PROT_READ, MAP_PRIVATE, 7, 0) = 0x7f99e4420000
close(7)                                = 0
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libnss_files.so.2", O_RDONLY|O_CLOEXEC) = 7
read(7, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0003\0\0\0\0\0\0"..., 832) = 832
fstat(7, {st_mode=S_IFREG|0644, st_size=55792, ...}) = 0
mmap(NULL, 83768, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 7, 0) = 0x7f99e4243000
mprotect(0x7f99e4246000, 40960, PROT_NONE) = 0
mmap(0x7f99e4246000, 28672, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 7, 0x3000) = 0x7f99e4246000
mmap(0x7f99e424d000, 8192, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 7, 0xa000) = 0x7f99e424d000
mmap(0x7f99e4250000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 7, 0xc000) = 0x7f99e4250000
mmap(0x7f99e4252000, 22328, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f99e4252000
close(7)                                = 0
mprotect(0x7f99e4250000, 4096, PROT_READ) = 0
munmap(0x7f99e4420000, 35918)           = 0
openat(AT_FDCWD, "/etc/hosts", O_RDONLY|O_CLOEXEC) = 7
lseek(7, 0, SEEK_CUR)                   = 0
fstat(7, {st_mode=S_IFREG|0644, st_size=210, ...}) = 0
read(7, "127.0.0.1\tlocalhost\n192.168.1.24"..., 4096) = 210
lseek(7, 0, SEEK_CUR)                   = 210
read(7, "", 4096)                       = 0
close(7)                                = 0
access("/etc/ssl/certs", X_OK)          = 0
socket(AF_UNIX, SOCK_STREAM, 0)         = 7
fcntl(7, F_GETFL)                       = 0x2 (flags O_RDWR)
fcntl(7, F_SETFL, O_RDWR|O_NONBLOCK)    = 0
connect(7, {sa_family=AF_UNIX, sun_path="/var/run/dovecot/stats-writer"}, 110) = 0
fstat(7, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
fcntl(7, F_GETFL)                       = 0x802 (flags O_RDWR|O_NONBLOCK)
epoll_ctl(6, EPOLL_CTL_ADD, 7, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161385712, u64=94093009939184}}) = 0
write(7, "VERSION\tstats-client\t3\t0\n", 25) = 25
epoll_ctl(6, EPOLL_CTL_DEL, 4, 0x7fffbb150b0c) = 0
epoll_create(128)                       = 8
fcntl(8, F_GETFD)                       = 0
fcntl(8, F_SETFD, FD_CLOEXEC)           = 0
epoll_ctl(8, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161395728, u64=94093009949200}}) = 0
epoll_ctl(8, EPOLL_CTL_ADD, 7, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161395856, u64=94093009949328}}) = 0
epoll_ctl(6, EPOLL_CTL_DEL, 7, 0x7fffbb150b1c) = 0
epoll_wait(8, [{EPOLLIN, {u32=3161395856, u64=94093009949328}}], 2, -1) = 1
read(7, "VERSION\tstats-server\t3\t0\nFILTER\t"..., 8192) = 33
epoll_ctl(8, EPOLL_CTL_DEL, 4, 0x7fffbb150b2c) = 0
epoll_ctl(6, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161333872, u64=94093009887344}}) = 0
epoll_ctl(6, EPOLL_CTL_ADD, 7, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161385712, u64=94093009939184}}) = 0
epoll_ctl(8, EPOLL_CTL_DEL, 7, 0x7fffbb150b1c) = 0
epoll_ctl(6, EPOLL_CTL_DEL, 4, 0x7fffbb150b2c) = 0
epoll_ctl(8, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161395728, u64=94093009949200}}) = 0
epoll_ctl(8, EPOLL_CTL_DEL, 4, 0x7fffbb150aec) = 0
epoll_ctl(6, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161333872, u64=94093009887344}}) = 0
close(8)                                = 0
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 8
connect(8, {sa_family=AF_UNIX, sun_path="/dev/log"}, 110) = 0
socket(AF_UNIX, SOCK_STREAM, 0)         = 9
fcntl(9, F_GETFL)                       = 0x2 (flags O_RDWR)
fcntl(9, F_SETFL, O_RDWR|O_NONBLOCK)    = 0
connect(9, {sa_family=AF_UNIX, sun_path="/var/run/dovecot/auth-userdb"}, 110) = 0
epoll_ctl(6, EPOLL_CTL_DEL, 4, 0x7fffbb150d5c) = 0
epoll_create(128)                       = 10
fcntl(10, F_GETFD)                      = 0
fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
epoll_ctl(10, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161405440, u64=94093009958912}}) = 0
fstat(9, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
fcntl(9, F_GETFL)                       = 0x802 (flags O_RDWR|O_NONBLOCK)
lseek(9, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
getsockname(9, {sa_family=AF_UNIX}, [28->2]) = 0
epoll_ctl(10, EPOLL_CTL_ADD, 9, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161406112, u64=94093009959584}}) = 0
setsockopt(9, SOL_TCP, TCP_CORK, [1], 4) = -1 EOPNOTSUPP (Operation not supported)
write(9, "VERSION\t1\t0\nUSER\t1\tuser@loca"..., 50) = 50
epoll_wait(10, [{EPOLLIN, {u32=3161406112, u64=94093009959584}}], 2, 155000) = 1
read(9, "VERSION\t1\t1\nSPID\t7235\n", 8192) = 22
epoll_wait(10, [{EPOLLIN, {u32=3161406112, u64=94093009959584}}], 2, 154984) = 1
read(9, "NOTFOUND\t1\n", 8170)          = 11
epoll_ctl(10, EPOLL_CTL_DEL, 4, 0x7fffbb150c7c) = 0
epoll_ctl(6, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161333872, u64=94093009887344}}) = 0
epoll_ctl(6, EPOLL_CTL_DEL, 4, 0x7fffbb150c7c) = 0
epoll_ctl(10, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161405440, u64=94093009958912}}) = 0
epoll_ctl(10, EPOLL_CTL_DEL, 4, 0x7fffbb150d8c) = 0
epoll_ctl(6, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161333872, u64=94093009887344}}) = 0
epoll_ctl(6, EPOLL_CTL_DEL, 4, 0x7fffbb150d8c) = 0
epoll_ctl(10, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161405440, u64=94093009958912}}) = 0
epoll_ctl(10, EPOLL_CTL_DEL, 9, 0x7fffbb150dbc) = 0
epoll_ctl(10, EPOLL_CTL_DEL, 4, 0x7fffbb150d4c) = 0
epoll_ctl(6, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=3161333872, u64=94093009887344}}) = 0
close(10)                               = 0
close(9)                                = 0
epoll_ctl(6, EPOLL_CTL_DEL, 7, 0x7fffbb15105c) = 0
close(7)                                = 0
epoll_ctl(6, EPOLL_CTL_DEL, 4, 0x7fffbb15105c) = 0
close(4)                                = 0
close(5)                                = 0
close(6)                                = 0
close(3)                                = 0
exit_group(67)                          = ?
+++ exited with 67 +++

Ausgabe von doveconf -n:

root@mail:/etc/dovecot# dovecot -n
# 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.4 ()
# OS: Linux 4.19.0-17-amd64 x86_64 Debian 10.10
# Hostname: mail
mail_location = maildir:~/Maildir
mail_privileged_group = mail
namespace inbox {
  inbox = yes
  location =
  mailbox Archive {
    special_use = \Archive
  }
  mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix =
}
passdb {
  driver = pam
}
protocols = " imap"
ssl = required
ssl_cert = </etc/letsencrypt/live/domain.com/fullchain.pem
ssl_client_ca_dir = /etc/ssl/certs
ssl_dh = # hidden, use -P to show it
ssl_key = # hidden, use -P to show it
userdb {
  driver = passwd
}

Berechtigungen von /var/run/dovecot/Statistik

root@mail:/etc/dovecot# ls -l /var/run/dovecot/*stat*
srw------- 1 root root    0 Aug  9 13:37 /var/run/dovecot/old-stats
prw------- 1 root root    0 Aug  9 13:37 /var/run/dovecot/old-stats-mail
prw------- 1 root root    0 Aug  9 13:37 /var/run/dovecot/old-stats-user
srw------- 1 root root    0 Aug  9 13:37 /var/run/dovecot/stats-reader
srw-rw---- 1 root dovecot 0 Aug  9 13:37 /var/run/dovecot/stats-writer

Irgendwelche Ideen, was falsch sein könnte, und wäre es besser, hierfür Dovecot Sync/Backup zu verwenden?

Antwort1

Es stellt sich heraus, dass die Linie

     mda "/usr/lib/dovecot/deliver -d user@localhost -m .fastmail.Archive"

Funktioniert nicht. Nachdem ich @localhost entfernt und den Ordnernamen korrigiert habe, funktioniert es:

     mda "/usr/lib/dovecot/deliver -d user -m fastmail.Archive"

Was ich immer noch nicht verstehe, ist, warum ich keinerlei Fehlerausgabe erhalten habe. Der Befehl verhält sich einfach so, als ob er funktioniert hätte, und ich kann auch in den Dovecot-Protokollen nichts sehen. Zumindest nicht, ohne die Optionen für die Debugprotokollierung zu aktivieren. Der obige Suchfehler in der Ausgabe von strace ist verwirrend. Ich verstehe nicht, welche Beziehung zwischen diesem und der Entfernung von @localhost besteht, die das Problem behebt.

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