Re: Postfix + SASL. No success....

From: Patrick Ben Koetter (p at state-of-mind dot de)
Date: Wed May 25 2005 - 09:52:28 EDT

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    * Piotr Strycharz <>:
    > Hi
    >
    > I have very big trouble setting up SMTP AUTH with postfix. Here goes
    > summary:
    > - system is Mandrake 10.1
    > - postfix-2.1.4, cyrus-sasl-2.1.19, libsasl2, libsasl2-plug-login-2.1.19,
    > libsasl2-plug-plain-2.1.19
    > - ldd smtpd - OK (linked to libsasl2.so.2)
    > - options in main.cf: smtpd_sasl_auth_enable = yes;
    > smtpd_sasl_security_options = noanonymous; smtpd_sasl_application_name =
    > smtpd; smtpd_sasl_local_domain = $myhostname; smtpd_sasl_path =
    > /etc/postfix/sasl; smtpd_recipient_rectrictions = permit_sasl_authenticated,
    > permit_mynetworks, check_relay_domains
    > - lines in /etc/postfix/sasl/smtpd.conf: pwcheck_method: saslauthd;
    > mech_list: plain login
    > - saslauthd demon is running
    > - SASL_AUTHMECH=pam in /etc/sysconfig/saslauthd file
    > - smtpd in /etc/pam.d

    Must be "smtp" because it is the service name "smtp" that PAM needs to know.

    > - testsaslauthd -u ... -p ... -r smtpd ends with OK "Succcess"
    > - when starts, saslauthd creates hardlink /var/lib/sasl2/mux to
    > /var/spool/postfix/var/lib/sasl2/. Mux has rwx permissions for all.
    >
    > So, it is supposed to work. But it does not. Telnet to port 25 almost
    > immediately closes connection (no 220 invitation from postfix). Connection
    > makes also error in mail logs: "fatal: no SASL authentication mechanism".

    Seems like Postfix can't find the SASL libs...

    Take Postfix out of the chroot, reset the saslauthd socket and test again.

    p at rick

    -- 
    The Book of Postfix
    <http://www.postfix-book.com>
    SMTP AUTH debug utility:
    <http://postfix.state-of-mind.de/patrick.koetter/saslfinger/>
    

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