I am seeing errors like this in syslog:

postfix/smtpd[24494]: auxpropfunc error invalid parameter supplied 
postfix/smtpd[24494]: sql_select option missing
postfix/smtpd[24494]: auxpropfunc error no mechanism available 

It would appear that they are coming from the otherwise unused (that is
unused for postfix) sasl libraries:
libsql.so
libldapdb.so

If I move those out from /usr/lib/sasl2, the errors go away.

Note: everything is actually working, I just want to remove this noise
from my logs.

The problem is that I cannot actually remove libldapdb.so because I need
it for other sasl/ldap authenticated things on the machine (I have LDAP
user login authentication on the servers).

So, what I am looking for is a way to disable libsql and libldapdb only
in the postfix/smtpd instance, without removing the libraries from the
system. Is this possible?

My /usr/lib/sasl2/smtpd.conf includes only:
pwcheck_method: saslauthd
mech_list: plain login

Any suggestions appreciated.

Gordan

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