[Dovecot] Dovecot SASL doesn't seem to be working with Postfix

Jeremy Gillick jeremymailing at gmail.com
Mon May 5 00:00:34 EEST 2008


I've tried to setup Postfix to use SASL, but it still doesn't seem to be
working with Dovecot.  I've set things up based on these instructions:

http://wiki.dovecot.org/HowTo/SimpleVirtualInstall
http://wiki.dovecot.org/HowTo/PostfixAndDovecotSASL
http://wiki.dovecot.org/LDA

I've compiled Postfix with Dovecot SASL and SSL/TLS support.  The problems
I'm seeing in Postfix are:

 * Virtual users are not being recognized (it'll only delivers mail for
local users)
 * For mail it does deliver, it uses the local user permissions ( I want it
to use the vmail user)
 * I had to modify 'mail_spool_directory' to get it to use the /home/vmail/
directory
 * For mail delivered to local users, it still doesn't come up in my email
client when I check for new mail.

I just keep feeling like the SASL integration is not working.  Can anybody
shed some light?

---
DOVECOT config
# 1.0.13: /usr/local/etc/dovecot.conf
log_path: /var/log/dovecot.log
info_log_path: /var/log/dovecot-info.log
protocols: imap pop3 imaps pop3s
disable_plaintext_auth: no
verbose_ssl: yes
login_dir: /usr/local/var/run/dovecot/login
login_executable(default): /usr/local/libexec/dovecot/imap-login
login_executable(imap): /usr/local/libexec/dovecot/imap-login
login_executable(pop3): /usr/local/libexec/dovecot/pop3-login
mail_location: maildir:~/Maildir
dotlock_use_excl: yes
maildir_copy_with_hardlinks: yes
mail_executable(default): /usr/local/libexec/dovecot/imap
mail_executable(imap): /usr/local/libexec/dovecot/imap
mail_executable(pop3): /usr/local/libexec/dovecot/pop3
mail_plugin_dir(default): /usr/local/lib/dovecot/imap
mail_plugin_dir(imap): /usr/local/lib/dovecot/imap
mail_plugin_dir(pop3): /usr/local/lib/dovecot/pop3
pop3_uidl_format: %08Xu%08Xv
auth default:
  mechanisms: plain login
  verbose: yes
  debug: yes
  debug_passwords: yes
  passdb:
    driver: passwd-file
    args: /etc/dovecot/passwd
  userdb:
    driver: static
    args: uid=postfix gid=postfix home=/home/vmail/%u
  socket:
    type: listen
    client:
      path: /var/spool/postfix/private/auth
      mode: 432
      user: postfix
      group: postfix
    master:
      path: /usr/local/var/run/dovecot/auth-master
      mode: 384
      user: vmail

----
POSTFIX main.cf
alias_maps = $alias_database
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
default_privs = nobody
html_directory = no
inet_interfaces = $myhostname, localhost
mail_owner = postfix
mail_spool_directory = /home/vmail/
mailq_path = /usr/bin/mailq
manpage_directory = /usr/local/man
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
mydomain = $myhostname
myhostname = mixermixer3.com
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix/
readme_directory = no
sample_directory = /etc/postfix
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated,
reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_exceptions_networks = $mynetworks
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_tls_CAfile = /etc/postfix/ssl/smtpd.pem
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.pem
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.pem
smtpd_tls_loglevel = 1
smtpd_tls_session_cache_timeout = 3600s
unknown_local_recipient_reject_code = 550
virtual_mailbox_domains = $myhostname
virtual_transport = dovecot

----
POSTFIX master.cf (just the important lines)
smtp      inet  n       -       n       -       -       smtpd
smtps     inet  n       -       n       -       -       smtpd
  -o smtpd_tls_wrappermode=yes
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail:vmail argv=/usr/local/libexec/dovecot/deliver -f
${sender} -d ${recipient}


THANKS,
Jeremy


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