diff --git a/smtpd_watcher/smtpd_watcher.py b/smtpd_watcher/smtpd_watcher.py
index 4582fe8..7279a9e 100644
--- a/smtpd_watcher/smtpd_watcher.py
+++ b/smtpd_watcher/smtpd_watcher.py
@@ -110,10 +110,24 @@ class SmtpdWatcher:
             if ban:
                 if ip not in self.banned_ips['postfix']:
                     self._fail2ban_ban_ip('postfix', ip)
+                else:
+                    self._log.debug(
+                        "IP '%s' already banned in 'postfix' jail",
+                        ip
+                    )
                 if ip not in self.banned_ips['postfix-sasl']:
                     self._fail2ban_ban_ip('postfix-sasl', ip)
+                else:
+                    self._log.debug(
+                        "IP '%s' already banned in 'postfix-sasl' jail",
+                        ip
+                    )
                 if ip not in self.banned_ips['ufw']:
                     self._ufw_deny_ip(ip)
+                    self._log.debug(
+                        "IP '%s' already dennied traffic in UFW",
+                        ip
+                    )
         return True
 
     def _ufw_deny_ip(self, ip):