diff --git a/__init__.py b/__init__.py
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diff --git a/backends/init.py b/backends/__init__.py
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rename from backends/init.py
rename to backends/__init__.py
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diff --git a/backends/__pycache__/ufw.cpython-312.pyc b/backends/__pycache__/ufw.cpython-312.pyc
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diff --git a/config.ini b/config.ini
index aef3d57..8b7b0d3 100644
--- a/config.ini
+++ b/config.ini
@@ -1,42 +1,191 @@
+# ============================================
+# LogMon Configuration File
+# ============================================
+
 [general]
+# Tryb debug - wyświetla szczegółowe informacje
 debug = false
+
+# Ścieżka do pliku z logami LogMon
 log_file = /var/log/logmon.log
+
+# Plik PID demona
 pid_file = /var/run/logmon.pid
+
+# Backend firewall: csf, nftables, iptables, ufw
 backend = csf
 
+
+# ============================================
+# Konfiguracja backendów firewall
+# ============================================
+
 [backend_csf]
+# Ścieżka do wykonywania CSF
 csf_path = /usr/sbin/csf
-# Dodatkowe opcje CSF
 
 [backend_nftables]
-table_name = filter
+# Nazwa tabeli i chain dla nftables
+table_name = inet
 chain_name = logmon_block
 
 [backend_iptables]
+# Nazwa chain dla iptables
 chain_name = LOGMON_BLOCK
 
 [backend_ufw]
 # UFW nie wymaga dodatkowych parametrów
 
+
+# ============================================
+# Moduł Postfix - SMTP Server
+# ============================================
+
 [module_postfix]
+# Włącz/wyłącz moduł
 enabled = true
+
+# Ścieżka do logu Postfix
 log_file = /var/log/mail.log
-# Alternatywnie dla systemd:
+
+# Alternatywnie dla systemd journald:
 # use_journald = true
 # journald_unit = postfix.service
 
-# Parametry detekcji
+# Maksymalna liczba niepowodzeń przed banem
 max_failures = 5
+
+# Okno czasowe w sekundach (domyślnie 60s = 1 minuta)
 time_window = 60
+
+# Czas bana w sekundach (domyślnie 86400s = 24 godziny)
 ban_duration = 86400
 
-# Wzorce do wykrywania
-patterns = auth_failed,sasl_failed
+# Lista wzorców do wykrywania (oddzielone przecinkami)
+patterns = postfix_auth_failed,postfix_sasl_failed
 
-[pattern_auth_failed]
+
+# ============================================
+# Moduł Dovecot - IMAP/POP3 Server
+# ============================================
+
+[module_dovecot]
+# Włącz/wyłącz moduł
+enabled = true
+
+# Ścieżka do logu Dovecot
+log_file = /var/log/dovecot-info.log
+
+# Maksymalna liczba niepowodzeń przed banem
+max_failures = 5
+
+# Okno czasowe w sekundach (domyślnie 120s = 2 minuty)
+time_window = 120
+
+# Czas bana w sekundach (domyślnie 86400s = 24 godziny)
+ban_duration = 86400
+
+# Ignoruj błędy SSL/TLS (często są to skanery, nie ataki brute-force)
+ignore_ssl_errors = true
+
+# Ignoruj połączenia z localhost (127.0.0.1)
+ignore_localhost = true
+
+# Lista wzorców do wykrywania
+patterns = dovecot_auth_failed,dovecot_auth_failed_multi
+
+
+# ============================================
+# Wzorce dla Postfix
+# ============================================
+
+[pattern_postfix_auth_failed]
+# Wykrywa: "authentication failed"
 regex = authentication failed
 score = 1
 
-[pattern_sasl_failed]
+[pattern_postfix_sasl_failed]
+# Wykrywa: "SASL LOGIN authentication failed" i podobne
 regex = SASL [A-Z\-\d]+ authentication failed
 score = 2
+
+
+# ============================================
+# Wzorce dla Dovecot
+# ============================================
+
+[pattern_dovecot_auth_failed]
+# Wykrywa: "auth failed, 1 attempts"
+regex = auth failed, 1 attempts
+score = 2
+
+[pattern_dovecot_auth_failed_multi]
+# Wykrywa: "auth failed, 2 attempts" lub więcej (2-9+)
+regex = auth failed, [2-9]+ attempts
+score = 5
+
+
+# ============================================
+# Dodatkowe moduły (przygotowane do rozbudowy)
+# ============================================
+
+# [module_ssh]
+# enabled = false
+# log_file = /var/log/auth.log
+# max_failures = 5
+# time_window = 300
+# ban_duration = 3600
+# patterns = ssh_failed_password,ssh_invalid_user
+
+# [pattern_ssh_failed_password]
+# regex = Failed password for .+ from
+# score = 2
+
+# [pattern_ssh_invalid_user]
+# regex = Invalid user .+ from
+# score = 3
+
+
+# [module_nginx]
+# enabled = false
+# log_file = /var/log/nginx/error.log
+# max_failures = 10
+# time_window = 60
+# ban_duration = 3600
+# patterns = nginx_404_flood,nginx_403_scan
+
+# [pattern_nginx_404_flood]
+# regex = \[error\].*GET .* HTTP/
+# score = 1
+
+# [pattern_nginx_403_scan]
+# regex = 403.*GET
+# score = 2
+
+
+# ============================================
+# Whitelist IP (przygotowane do implementacji)
+# ============================================
+
+# [whitelist]
+# # Lista IP które nigdy nie będą banowane (oddzielone przecinkami)
+# ips = 127.0.0.1,192.168.1.0/24,10.0.0.0/8
+# 
+# # Lub z pliku:
+# # file = /etc/logmon/whitelist.txt
+
+
+# ============================================
+# Zaawansowane opcje
+# ============================================
+
+# [advanced]
+# # Maksymalna liczba jednocześnie śledzonych IP
+# max_tracked_ips = 10000
+# 
+# # Jak często sprawdzać wygasłe bany (w sekundach)
+# check_expired_interval = 10
+# 
+# # Persystencja - zapisz stan banów do pliku
+# persist_state = true
+# persist_file = /var/lib/logmon/state.json
diff --git a/logmon.py b/logmon.py
index 4775add..46302c4 100644
--- a/logmon.py
+++ b/logmon.py
@@ -16,10 +16,12 @@ from collections import defaultdict, deque
 from datetime import datetime, timedelta
 from pathlib import Path
 
-# Importy z lokalnych modułów
-from modules import PostfixModule
-from backends import CSFBackend, NFTablesBackend, IPTablesBackend, UFWBackend
 
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+# Importy z lokalnych modułów
+from modules import PostfixModule, DovecotModule
+from backends import CSFBackend, NFTablesBackend, IPTablesBackend, UFWBackend
 
 class LogMonDaemon:
     """Główny demon LogMon"""
@@ -112,7 +114,15 @@ class LogMonDaemon:
                 self.logger.info("Loaded Postfix module")
             except Exception as e:
                 self.logger.error(f"Error loading Postfix module: {e}")
-                
+      # Dovecot module
+          if self.config.getboolean('module_dovecot', 'enabled', fallback=False):
+            try:
+                module = DovecotModule(self.config, self)
+                modules.append(module)
+                self.logger.info("Loaded Dovecot module")
+            except Exception as e:
+                self.logger.error(f"Error loading Dovecot module: {e}")        
+        
         # Tutaj można dodać więcej modułów w przyszłości
         # if self.config.getboolean('module_ssh', 'enabled', fallback=False):
         #     modules.append(SSHModule(self.config, self))
diff --git a/modules/init.py b/modules/__init__.py
similarity index 58%
rename from modules/init.py
rename to modules/__init__.py
index 14b94ec..8199461 100644
--- a/modules/init.py
+++ b/modules/__init__.py
@@ -4,5 +4,7 @@ LogMon Modules - Moduły monitorowania różnych aplikacji
 
 from .base import LogModule
 from .postfix import PostfixModule
+from .dovecot import DovecotModule
+
+__all__ = ['LogModule', 'PostfixModule', 'DovecotModule']
 
-__all__ = ['LogModule', 'PostfixModule']
diff --git a/modules/__pycache__/__init__.cpython-312.pyc b/modules/__pycache__/__init__.cpython-312.pyc
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index 0000000..faa4152
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diff --git a/modules/__pycache__/base.cpython-312.pyc b/modules/__pycache__/base.cpython-312.pyc
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index 0000000..1e88f8c
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diff --git a/modules/__pycache__/postfix.cpython-312.pyc b/modules/__pycache__/postfix.cpython-312.pyc
new file mode 100644
index 0000000..6dd1fc3
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diff --git a/modules/dovecot.py b/modules/dovecot.py
new file mode 100644
index 0000000..f15cbfa
--- /dev/null
+++ b/modules/dovecot.py
@@ -0,0 +1,162 @@
+"""
+Moduł monitorujący Dovecot IMAP/POP3 server
+"""
+
+import re
+import time
+from .base import LogModule
+
+
+class DovecotModule(LogModule):
+    """Moduł monitorujący Dovecot"""
+    
+    def __init__(self, config, daemon):
+        super().__init__(config, daemon)
+        
+        # Kompiluj wzorce regex dla wydajności
+        self.patterns = self._load_patterns()
+        
+        # Regex do wyciągania IP z logów Dovecot
+        # Obsługuje format: rip=IP, lip=IP
+        self.ip_pattern = re.compile(r'rip=(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})')
+        
+        # Ścieżka do pliku logu
+        self.log_file = config.get('module_dovecot', 'log_file', 
+                                   fallback='/var/log/dovecot-info.log')
+        
+        # Czy ignorować błędy SSL/TLS (często są to skanery, nie ataki brute-force)
+        self.ignore_ssl_errors = config.getboolean('module_dovecot', 'ignore_ssl_errors',
+                                                   fallback=True)
+        
+        # Czy ignorować połączenia z localhost
+        self.ignore_localhost = config.getboolean('module_dovecot', 'ignore_localhost',
+                                                  fallback=True)
+        
+        self.logger.info(f"Loaded {len(self.patterns)} patterns for Dovecot")
+        if self.ignore_ssl_errors:
+            self.logger.info("SSL/TLS errors will be ignored")
+        
+    def _load_patterns(self):
+        """Ładuje wzorce z konfiguracji"""
+        patterns = []
+        pattern_names = self.config.get('module_dovecot', 'patterns', 
+                                       fallback='').split(',')
+        
+        for name in pattern_names:
+            name = name.strip()
+            if not name:
+                continue
+                
+            section = f'pattern_{name}'
+            if section not in self.config:
+                self.logger.warning(f"Pattern section '{section}' not found in config")
+                continue
+                
+            try:
+                regex = self.config.get(section, 'regex')
+                score = self.config.getint(section, 'score', fallback=1)
+                
+                patterns.append({
+                    'name': name,
+                    'regex': re.compile(regex, re.IGNORECASE),
+                    'score': score
+                })
+                
+                self.logger.debug(f"Loaded pattern '{name}': {regex} (score: {score})")
+                
+            except Exception as e:
+                self.logger.error(f"Error loading pattern '{name}': {e}")
+                
+        return patterns
+        
+    def _run(self):
+        """Główna pętla - tail -f na pliku logu"""
+        self.logger.info(f"Tailing log file: {self.log_file}")
+        
+        try:
+            with open(self.log_file, 'r') as f:
+                # Przejdź na koniec pliku
+                f.seek(0, 2)
+                
+                while self.running:
+                    line = f.readline()
+                    
+                    if line:
+                        self.process_line(line.strip())
+                    else:
+                        # Brak nowych linii, czekaj chwilę
+                        time.sleep(0.1)
+                        
+        except FileNotFoundError:
+            self.logger.error(f"Log file not found: {self.log_file}")
+        except PermissionError:
+            self.logger.error(f"Permission denied reading: {self.log_file}")
+        except Exception as e:
+            self.logger.error(f"Error tailing log: {e}")
+            
+    def _is_ssl_error(self, line):
+        """Sprawdza czy linia zawiera błąd SSL/TLS"""
+        ssl_keywords = [
+            'SSL_accept() failed',
+            'TLS handshaking',
+            'unsupported protocol',
+            'version too low',
+            'no shared cipher',
+            'wrong version number',
+            'internal error',
+            'Connection reset by peer',
+            'bad key share',
+            'unknown protocol',
+            'http request'
+        ]
+        
+        line_lower = line.lower()
+        return any(keyword.lower() in line_lower for keyword in ssl_keywords)
+        
+    def process_line(self, line):
+        """
+        Przetwarza linię z logu Dovecot
+        
+        Przykłady linii:
+        - imap-login: Info: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<user@domain.pl>, method=PLAIN, rip=1.2.3.4, lip=5.6.7.8, TLS
+        - imap-login: Info: Disconnected: Connection closed: SSL_accept() failed (no auth attempts): user=<>, rip=1.2.3.4
+        """
+        
+        # Ignoruj błędy SSL/TLS jeśli włączone
+        if self.ignore_ssl_errors and self._is_ssl_error(line):
+            return
+        
+        # Wyciągnij IP
+        ip_match = self.ip_pattern.search(line)
+        if not ip_match:
+            return
+            
+        ip = ip_match.group(1)
+        
+        # Pomiń localhost jeśli włączone
+        if self.ignore_localhost and (ip.startswith('127.') or ip == '::1'):
+            return
+        
+        # Pomiń lokalne IP
+        if ip.startswith('192.168.') or ip.startswith('10.') or ip.startswith('172.'):
+            # Sprawdź czy to nie jest 172.16-31.x.x (prywatne)
+            if ip.startswith('172.'):
+                second_octet = int(ip.split('.')[1])
+                if 16 <= second_octet <= 31:
+                    return
+            else:
+                return
+        
+        # Sprawdź wzorce
+        for pattern in self.patterns:
+            if pattern['regex'].search(line):
+                self.logger.debug(
+                    f"Pattern '{pattern['name']}' matched for IP {ip}"
+                )
+                self.logger.debug(f"Line: {line}")
+                
+                # Zgłoś niepowodzenie do demona
+                self.daemon.track_failure(ip, pattern['score'])
+                
+                # Tylko pierwszy pasujący wzorzec
+                break
diff --git a/utils/__init__.py b/utils/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/utils/init.py b/utils/init.py
deleted file mode 100644
index a6c55a4..0000000
--- a/utils/init.py
+++ /dev/null
@@ -1,5 +0,0 @@
-"""
-LogMon Utils - Narzędzia pomocnicze
-"""
-
-__all__ = []