Hi
My CSF shows
124.158.12.175 # lfd: (smtpauth) Failed SMTP AUTH login from 124.158.12.175 (VN/Vietnam/-): 5 in the last 3600 secs - Wed Apr 27 19:58:26 2016
168.187.78.156 # lfd: 168.187.78.156 (KW/Kuwait/-), 5 distributed smtpauth attacks on account [hudson] in the last 3600 secs - Wed Apr...