Hi, last week i try to configure domainkeys for yahoo using dkfilter.. but not succesfull. the domainkeys is not pass. so today i remove all the dkfilter configuration. but now my email server cant receive and sending email... This is the main log mail.info Dec 19 13:07:34 mail postfix/qmgr[3465]: warning: connect to transport dksign: Connection refused i have remove all the conf but the server still try to connect to the dksign transport how to solve this? Thanks