Q. I’m running Redhat Enterprise Linux 4.5 server along with Postfix and Cyrus mail server. However I’m getting following error in my log files:

Jun 10 18:00:04 server postfix/smtpd[7280]: sql_select option missing
Jun 10 18:00:04 server postfix/smtpd[7280]: auxpropfunc error no mechanism available

How do I fix this error? I’m not using mysql for postfix.

A. The cyrus software comes with various plugin. The cyrus-sasl-sql package contains the Cyrus SASL plugin which supports using a RDBMS for storing shared secrets.

If you are not using MySQL, just remove the plugin using rpm command:

# rpm -ev cyrus-sasl-sql

Note if you are using Debian or Ubuntu remove libsasl2-modules-sql package:
# apt-get remove libsasl2-modules-sql

Also on RHEL 3 / 4, make sure that file /etc/openldap/slapd.conf is owned by the user ldap:
# chown ldap.ldap /etc/openldap/slapd.conf

Other option is to configure the sql module. Now there should not be any sort of error in /var/log/messages or /var/log/maillog file.

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