Jan 7 03:42:25 mail saslauthd[1400]: do_auth : auth failure: [user=mailt] [service=imap] [realm=] [mech=shadow] [reason=Unknown]
Jan 7 03:43:36 mail saslauthd[1400]: server_exit : master exited: 1400
Jan 7 03:43:36 mail saslauthd[2153]: detach_tty : master pid is: 2153
Jan 7 03:43:36 mail saslauthd[2153]: ipc_init : listening on socket: /var/run/saslauthd/mux
Jan 7 03:43:40 mail saslauthd[2153]: do_auth : auth failure: [user=mailt] [service=imap] [realm=] [mech=pam] [reason=PAM auth error]
Jan 7 03:58:50 mail saslauthd[2153]: server_exit : master exited: 2153
Jan 7 03:58:50 mail saslauthd[2278]: detach_tty : master pid is: 2278
Jan 7 03:58:50 mail saslauthd[2278]: ipc_init : listening on socket: /var/run/saslauthd/mux