> cool - this means i do not need any like in any postfix-mysql-config what is > faster because keys are used, nice to know, i wanted to get sure that there > nothing fails while making this setup a year ago
Depending on what character set you are using, it could be a problem but the fix is simple, UPPER(%s) or LOWER(%s) (based on how your data is stored). I agree to dumping LIKE for performance reasons.