Am 2015-07-02 um 01:41 schrieb Laz C. Peterson: > > I did attempt to switch the PAM/Kerberos authentication to Dovecot > LDAP authentication, but now performance is unbelievably slow. > Any thoughts to this? In case you have multiple passdb backends, it could be, that LDAP only gets its chance, after PAM did time out. -- peter