[Dovecot] exim4 dovecot sasl problem

[Tristan Rex Santiago]

hi!

i'm trying to do smtp authentication using dovecot and exim4 by following this guide http://wiki.dovecot.org/HowTo/EximAndDovecotSASL.


for the exim4 part, i got an

authenticator dovecot: cannot find authenticator driver "dovecot"
 error after i entered the codes in /etc/exim4/exim4.conf.template and reloaded exim4 with the update-exim4.conf command.

i'm running debian lenny.

here's the authentication section of exim4.conf.template:

begin authenticators

cram_md5:

  driver = cram_md5

  public_name = CRAM-MD5


  client_name = ${extract{1}{:}{${lookup{$
host}nwildlsearch{CONFDIR/passwd.client}{$value}fail}}}
  client_secret = ${extract{2}{:}{${lookup{$host}nwildlsearch{CONFDIR/passwd.client}{$value}fail}}}

PASSWDLINE=${sg{\

                ${lookup{$host}nwildlsearch{CONFDIR/passwd.client}{$value}fail}\
            }\
            {\\N[\\^]\\N}\
            {^^}\
        }

plain:
  driver = plaintext
  public_name = PLAIN

.ifndef AUTH_CLIENT_ALLOW_NOTLS_PASSWORDS
  client_send = "<; ${if !eq{$tls_cipher}{}\
                    {^${extract{1}{:}{PASSWDLINE}}\
             ^${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}\
           }fail}"

.else
  client_send = "<; ^${extract{1}{:}{PASSWDLINE}}\
            ^${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}"
.endif

login:
  driver = plaintext
  public_name = LOGIN
.ifndef AUTH_CLIENT_ALLOW_NOTLS_PASSWORDS

  # Return empty string if not non-TLS AND looking up $host in passwd-file
  # yields a non-empty string; fail otherwise.
  client_send = "<; ${if and{\
                          {!eq{$tls_cipher}{}}\

                          {!eq{PASSWDLINE}{}}\
                         }\
                      {}fail}\
                 ; ${extract{1}{::}{PASSWDLINE}}\
         ; ${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}"

.else
  # Return empty string if looking up $host in passwd-file yields a
  # non-empty string; fail otherwise.
  client_send = "<; ${if !eq{PASSWDLINE}{}\
                      {}fail}\
                 ; ${extract{1}{::}{PASSWDLINE}}\

         ; ${sg{PASSWDLINE}{\\N([^:]+:)(.*)\\N}{\\$2}}"
.endif

dovecot_login:
  driver = dovecot
  public_name = LOGIN
  server_socket = /var/run/dovecot/auth-client
  server_set_id = $auth1


dovecot_plain:
  driver = dovecot
  public_name = PLAIN
  server_socket = /var/run/dovecot/auth-client
  server_set_id = $auth1



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