dovecot.pamd

   1 #%PAM-1.0
   2 auth            required        pam_listfile.so item=user sense=deny file=/etc/security/blacklist.imap onerr=succeed
   3 auth            include         system-auth
   4 account         required        pam_nologin.so
   5 account         include         system-auth
   6 session         include         system-auth