每分鐘try非常多次
Aug 14 06:40:25 ms7 saslauthd[1389]: do_auth : auth failure: [user=abuse] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:29 ms7 saslauthd[1391]: do_auth : auth failure: [user=order] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:33 ms7 saslauthd[1387]: do_auth : auth failure: [user=www] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:36 ms7 saslauthd[1392]: do_auth : auth failure: [user=tomcat] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:40 ms7 saslauthd[1389]: do_auth : auth failure: [user=support] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:44 ms7 saslauthd[1391]: do_auth : auth failure: [user=steven] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:47 ms7 saslauthd[1387]: do_auth : auth failure: [user=michael] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:51 ms7 saslauthd[1392]: do_auth : auth failure: [user=administrator] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:55 ms7 saslauthd[1388]: do_auth : auth failure: [user=robert] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
Aug 14 06:40:58 ms7 saslauthd[1389]: do_auth : auth failure: [user=daemon] [service=smtp] [realm=ms7.synvision.com.tw] [mech=pam] [reason=PAM auth error]
