sql_select option missing

[killerwake]

log/messages:

Mar 6 21:06:22 ns310931 postfix/smtpd[20879]: sql_select option missing
Mar 6 21:06:22 ns310931 postfix/smtpd[20879]: auxpropfunc error no mechanism available

log/maillog: cat maillog | grep "21:06:22"
no error

i don't know why postfix sends this error, i don't see any reason on the logs!

[killerwake]

thanks till

Solution: http://www.cyberciti.biz/faq/postfix-sql_select-option-missing-auxpropfunc-error/

PROBLEM SOLVED!