On Fri, 17 Jul 2009 01:36:32 -0700 (PDT) Tristan Rex Santiago <pgtr3s@yahoo.com> wrote:

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.

run exim -bV , search for string "Authenticators:" and check if "dovecot" is present there. If not, you need to recompile you exim with dovecot-sasl support.

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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