Hi all,

SMTP AUTH with sasldb doesn't want to work. I've been working so hard but no
I give up. Hope you can help me to solve this problem. I've read all
articles about that kind of error but wasn't able to find the right
solution.

postfix reports "unable to open Berkeley db /etc/sasldb: No such file or
directory" when trying to do a "AUTH" via SMTP.

Everything is installed as described in all the SASL or AUTH readme files:
- postfix-1.1.4 (compiled with USE_SASL_AUTH)
- cyrus-sasl-1.5.27 (compiled with enable-login).
- /usr/lib/sasl/smtpd.conf: pwcheck_method: sasldb
- /etc/sasldb exists! and some test users are created using saslpasswd.
Permissions are also fine (set to 666 and 777 for testing).

Postfix configuration:
  alias_database = hash:/etc/aliases
  alias_maps = hash:/etc/aliases
  canonical_maps = hash:/etc/postfix/canonical
  command_directory = /usr/sbin
  config_directory = /etc/postfix
  daemon_directory = /usr/lib/postfix
  debug_peer_level = 2
  default_destination_concurrency_limit = 10
  default_privs = nobody
  local_destination_concurrency_limit = 2
  mail_name = postfix
  mail_owner = postfix
  mail_spool_directory = /var/mail
  mailq_path = /usr/bin/mailq
  manpage_directory = /usr/local/man
  mydestination = $myhostname, localhost.$mydomain
  myhostname = my.domain
  newaliases_path = /usr/bin/newaliases
  program_directory = /usr/lib/postfix
  queue_directory = /var/spool/postfix
  readme_directory = no
  relocated_maps = hash:/etc/postfix/relocated
  sample_directory = /etc/postfix
  sendmail_path = /usr/sbin/sendmail
  setgid_group = postdrop
  smtpd_banner = $myhostname ESMTP $mail_name
  smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated
reject
  smtpd_sasl_auth_enable = yes
  smtpd_sasl_local_domain = my.domain
  smtpd_sender_restrictions = hash:/etc/postfix/access

My testing processes:
- Did a login to port 25. postfix answered:
  250-PIPELINING
  250-SIZE 10240000
  250-VRFY
  250-ETRN
  250-AUTH LOGIN PLAIN DIGEST-MD5 CRAM-MD5
  250-XVERP
  250 8BITMIME

- Sent a "AUTH PLAIN dXNlcgB1c2VyAHRlc3Q=" (base64-encoded
username/pw-string)

- postfix output in warn.log:
  postfix/smtpd[pid]: unable to open Berkeley db /etc/sasldb: No such file
or directory
  postfix/smtpd[pid]: warning: host.my.domain[ip]: SASL PLAIN authentication
failed

- postfix output to the smtp client:
  535 Error: authentication failed

- strace monitor result between login and logout:
  select(10, [9], NULL, [9], {290, 920000}) = 1 (in [9], left {286, 520000})
  read(9, "A", 4096) = 1
  time(NULL) = 1015163851
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 700000})
  read(9, "U", 4096) = 1
  time(NULL) = 1015163851
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 570000})
  read(9, "T", 4096) = 1
  time(NULL) = 1015163852
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 890000})
  read(9, "H", 4096) = 1
  time(NULL) = 1015163852
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 370000})
  read(9, " ", 4096) = 1
  time(NULL) = 1015163852
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 680000})
  read(9, "P", 4096) = 1
  time(NULL) = 1015163853
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 880000})
  read(9, "L", 4096) = 1
  time(NULL) = 1015163853
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 940000})
  read(9, "A", 4096) = 1
  time(NULL) = 1015163853
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 860000})
  read(9, "I", 4096) = 1
  time(NULL) = 1015163853
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 930000})
  read(9, "N", 4096) = 1
  time(NULL) = 1015163853
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {299, 690000})
  read(9, " ", 4096) = 1
  time(NULL) = 1015163853
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {296, 890000})
  read(9, "dX", 4096) = 2
  time(NULL) = 1015163856
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {300, 0})
  read(9, "Nlc", 4096) = 3
  time(NULL) = 1015163856
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {300, 0})
  read(9, "g", 4096) = 1
  time(NULL) = 1015163856
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {300, 0})
  read(9, "B1c2", 4096) = 4
  time(NULL) = 1015163856
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {300, 0})
  read(9, "VyAH", 4096) = 4
  time(NULL) = 1015163856
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {300, 0})
  read(9, "Rlc3Q", 4096) = 5
  time(NULL) = 1015163856
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {300, 0})
  read(9, "=", 4096) = 1
  time(NULL) = 1015163856
  select(10, [9], NULL, [9], {300, 0}) = 1 (in [9], left {298, 850000})
  read(9, "\r\n", 4096) = 2
  open("/etc/sasldb", O_RDONLY) = -1 ENOENT (No such file or
directory)
  time([1015163858]) = 1015163858
  getpid() = 1920
  rt_sigaction(SIGPIPE, {0x4019e270, [], 0x4000000}, {SIG_IGN}, 8) = 0
  send(7, "<35>Mar 3 14:57:38 postfix/smtp"..., 106, 0) = 106
  rt_sigaction(SIGPIPE, {SIG_IGN}, NULL, 8) = 0
  time([1015163858]) = 1015163858
  getpid() = 1920
  rt_sigaction(SIGPIPE, {0x4019e270, [], 0x4000000}, {SIG_IGN}, 8) = 0
  send(7, "<20>Mar 3 14:57:38 postfix/smtp"..., 114, 0) = 114
  rt_sigaction(SIGPIPE, {SIG_IGN}, NULL, 8) = 0
  rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
  rt_sigaction(SIGCHLD, NULL, {SIG_DFL}, 8) = 0
  rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
  nanosleep({5, 0}, {5, 0}) = 0
  time(NULL) = 1015163863
  time(NULL) = 1015163863
  select(10, NULL, [9], [9], {300, 0}) = 1 (out [9], left {300, 0})
  write(9, "535 Error: authentication failed"..., 34) = 34

Opening sasldb results in a error? Why? The file is there and permissions
are alright.

Best regards
Matthias Kaulartz

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