> > > Michael Kress wrote: >> 2) saslpasswd2 -c -a mail -u mail testuser >> > That's a typo - the user is testomat. > But, with the same result. :-( > >> 3) testsaslauthd -u testomat -p <mypassword> -s smtp -r mail >> shell output of testsaslauthd: >> 0: NO "authentication failed" You are mixing things. saslauthd and sasldb are exclusive: either use one or the other (at least on CentOS). saslauthd -v prints out the available authentication mechanisms (better to say backends). On CentOS sasldb can only be used as a plugin by auxprop mechanism. You will have to decided for one way to store your credentials. I using the saslauthd keep in mind that you can't use shared secret mechanisms. Alexander