diff --git a/README.md b/README.md
index d69929a..e3e1599 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,10 @@ Email sender registrer for WordPress
 
 ## Changelog
 
+### 1.4.5
+* Added: optional disable for cron file logs via `BEA_SENDER_FILE_LOGGING` or the `bea_sender_file_logging_enabled` filter (`bea_sender_is_file_logging_enabled()` in the main plugin file).
+* Changed: `Bea_Log` accepts a `$write_enabled` flag; when rotation runs, rotated files may be compressed to `.zip` when `ZipArchive` is available.
+
 ### 1.4.4
 * Changed: use native `wp_mail` function to send emails
 
diff --git a/bea_sender.php b/bea_sender.php
index 88a52a7..1a23355 100644
--- a/bea_sender.php
+++ b/bea_sender.php
@@ -1,20 +1,20 @@
 <?php
 /*
- Plugin Name: BeApi - Sender
- Description: Register email campaigns and send them trough a CRON
- Author: BeApi
- Domain Path: /languages/
- Text Domain: bea_sender
- Version: 1.4.4
+Plugin Name: BeApi - Sender
+Description: Register email campaigns and send them trough a CRON
+Author: BeApi
+Domain Path: /languages/
+Text Domain: bea_sender
+Version: 1.4.5
  */
 
 // Database declarations
 global $wpdb;
-$wpdb->bea_s_campaigns = $wpdb->prefix.'bea_s_campaigns';
-$wpdb->bea_s_receivers = $wpdb->prefix.'bea_s_receivers';
-$wpdb->bea_s_re_ca = $wpdb->prefix.'bea_s_re_ca';
-$wpdb->bea_s_contents = $wpdb->prefix.'bea_s_contents';
-$wpdb->bea_s_attachments = $wpdb->prefix.'bea_s_attachments';
+$wpdb->bea_s_campaigns   = $wpdb->prefix . 'bea_s_campaigns';
+$wpdb->bea_s_receivers   = $wpdb->prefix . 'bea_s_receivers';
+$wpdb->bea_s_re_ca       = $wpdb->prefix . 'bea_s_re_ca';
+$wpdb->bea_s_contents    = $wpdb->prefix . 'bea_s_contents';
+$wpdb->bea_s_attachments = $wpdb->prefix . 'bea_s_attachments';
 
 // Add tables to the index of tables for WordPress
 $wpdb->tables[] = 'bea_s_campaigns';
@@ -22,68 +22,108 @@
 $wpdb->tables[] = 'bea_s_re_ca';
 $wpdb->tables[] = 'bea_s_contents';
 
-define('BEA_SENDER_URL', plugin_dir_url ( __FILE__ ));
-define('BEA_SENDER_DIR', plugin_dir_path( __FILE__ ));
-define( 'BEA_SENDER_VER', '1.4.4' );
+define( 'BEA_SENDER_URL', plugin_dir_url( __FILE__ ) );
+define( 'BEA_SENDER_DIR', plugin_dir_path( __FILE__ ) );
+define( 'BEA_SENDER_VER', '1.4.5' );
 define( 'BEA_SENDER_PPP', '10' );
 define( 'BEA_SENDER_DEFAULT_COUNTER', 100 );
 define( 'BEA_SENDER_OPTION_NAME', 'bea_s-main' );
 define( 'BEA_SENDER_EXPORT_OPTION_NAME', 'bea_s-export' );
 
+/**
+ * Whether Sender cron jobs write Bea_Log files under WP_CONTENT_DIR.
+ *
+ * Disable with `define( 'BEA_SENDER_FILE_LOGGING', false );` in wp-config.php,
+ * or `add_filter( 'bea_sender_file_logging_enabled', '__return_false' );`.
+ *
+ * @return bool
+ */
+function bea_sender_is_file_logging_enabled() {
+	if ( defined( 'BEA_SENDER_FILE_LOGGING' ) ) {
+		return (bool) BEA_SENDER_FILE_LOGGING;
+	}
+
+	return (bool) apply_filters( 'bea_sender_file_logging_enabled', true );
+}
+
 // Function for easy load files
-function _bea_sender_load_files($dir, $files, $prefix = '') {
-	foreach ($files as $file) {
-		if ( is_file($dir . $prefix . $file . ".php") ) {
-			require_once($dir . $prefix . $file . ".php");
+function _bea_sender_load_files( $dir, $files, $prefix = '' ) {
+	foreach ( $files as $file ) {
+		if ( is_file( $dir . $prefix . $file . '.php' ) ) {
+			require_once $dir . $prefix . $file . '.php';
 		}
 	}
 }
 
 // Utils
-_bea_sender_load_files( BEA_SENDER_DIR . 'inc/utils/', array(
-	'campaign',
-	'content',
-	'attachment',
-	'receiver',
-	'sender',
-	'bounce.email',
-	'export',
-	'receivers'
-), 'class.' );
+_bea_sender_load_files(
+	BEA_SENDER_DIR . 'inc/utils/',
+	array(
+		'campaign',
+		'content',
+		'attachment',
+		'receiver',
+		'sender',
+		'bounce.email',
+		'export',
+		'receivers',
+	),
+	'class.'
+);
 
 // Admin
-if( is_admin( ) ) {
+if ( is_admin() ) {
 
-	if( !class_exists( 'WP_List_Table' ) ) {
-		require (ABSPATH.'/wp-admin/includes/class-wp-list-table.php');
+	if ( ! class_exists( 'WP_List_Table' ) ) {
+		require ABSPATH . '/wp-admin/includes/class-wp-list-table.php';
 	}
 
 	_bea_sender_load_files( BEA_SENDER_DIR . 'inc/', array( 'admin' ), 'class.' );
-	_bea_sender_load_files( BEA_SENDER_DIR . 'inc/utils/', array(
-		'admin.table',
-		'admin.table.single',
-		'admin.bounce.tools'
-	), 'class.' );
+	_bea_sender_load_files(
+		BEA_SENDER_DIR . 'inc/utils/',
+		array(
+			'admin.table',
+			'admin.table.single',
+			'admin.bounce.tools',
+		),
+		'class.'
+	);
 }
 
 // Inc
-_bea_sender_load_files( BEA_SENDER_DIR . 'inc/', array(
-	'client',
-	'cron',
-), 'class.' );
+_bea_sender_load_files(
+	BEA_SENDER_DIR . 'inc/',
+	array(
+		'client',
+		'cron',
+	),
+	'class.'
+);
 
 // Libs
-_bea_sender_load_files( BEA_SENDER_DIR . 'inc/libs/wordpress-settings-api/', array(
-	'settings-api',
-), 'class.' );
-
-_bea_sender_load_files( BEA_SENDER_DIR . 'inc/libs/php-bounce/', array(
-	'phpmailer-bmh',
-), 'class.' );
-
-_bea_sender_load_files( BEA_SENDER_DIR . 'inc/libs/', array(
-	'log',
-), 'class-' );
+_bea_sender_load_files(
+	BEA_SENDER_DIR . 'inc/libs/wordpress-settings-api/',
+	array(
+		'settings-api',
+	),
+	'class.'
+);
+
+_bea_sender_load_files(
+	BEA_SENDER_DIR . 'inc/libs/php-bounce/',
+	array(
+		'phpmailer-bmh',
+	),
+	'class.'
+);
+
+_bea_sender_load_files(
+	BEA_SENDER_DIR . 'inc/libs/',
+	array(
+		'log',
+	),
+	'class-'
+);
 
 // Create tables on activation
 register_activation_hook( __FILE__, array( 'Bea_Sender_Client', 'activation' ) );
@@ -91,22 +131,26 @@ function _bea_sender_load_files($dir, $files, $prefix = '') {
 
 add_action( 'plugins_loaded', 'Bea_sender_init' );
 
-function Bea_sender_init( ) {
+function Bea_sender_init() {
 	global $bea_sender, $bea_send_counter;
 
-	$bea_send_counter = apply_filters( 'bea_send_counter', BEA_SENDER_DEFAULT_COUNTER );
-	$bea_sender['client'] = new Bea_Sender_Client( );
+	$bea_send_counter     = apply_filters( 'bea_send_counter', BEA_SENDER_DEFAULT_COUNTER );
+	$bea_sender['client'] = new Bea_Sender_Client();
 	new Bea_Sender_Cron();
 
-	if( is_admin( ) ) {
-		$bea_sender['admin'] = new Bea_Sender_Admin( );
-		$bea_sender['admin_bounce_tools'] = new BEA_Admin_Settings_Main( );
+	if ( is_admin() ) {
+		$bea_sender['admin']              = new Bea_Sender_Admin();
+		$bea_sender['admin_bounce_tools'] = new BEA_Admin_Settings_Main();
 	}
 
 	if ( defined( 'WP_CLI' ) ) {
-		_bea_sender_load_files( BEA_SENDER_DIR . 'inc/cli/', array(
-			'sender-command',
-		), 'class.' );
+		_bea_sender_load_files(
+			BEA_SENDER_DIR . 'inc/cli/',
+			array(
+				'sender-command',
+			),
+			'class.'
+		);
 
 		\WP_CLI::add_command( 'bea-sender-mail', Bea_Sender_Command::class );
 	}
diff --git a/inc/libs/class-log.php b/inc/libs/class-log.php
index e8d58dc..53ae647 100644
--- a/inc/libs/class-log.php
+++ b/inc/libs/class-log.php
@@ -1,5 +1,5 @@
 <?php
-if( !class_exists( 'Bea_Log' ) ) {
+if ( ! class_exists( 'Bea_Log' ) ) {
 	class Bea_Log {
 
 		private $file_path;
@@ -18,8 +18,14 @@ class Bea_Log {
 		const gravity_6 = 'Info';
 		const gravity_7 = 'Debug';
 
-		function __construct( $file_path, $file_extention = '.log' , $retention_size = '' ) {
-			if( !isset( $file_path ) || empty( $file_path ) ) {
+		/**
+		 * @param string $file_path      Base path without extension.
+		 * @param string $file_extention Extension including dot.
+		 * @param string $retention_size Max size in bytes before rotation.
+		 * @param bool   $write_enabled  When false, log_this is a no-op.
+		 */
+		function __construct( $file_path, $file_extention = '.log', $retention_size = '', $write_enabled = true ) {
+			if ( ! isset( $file_path ) || empty( $file_path ) ) {
 				return false;
 			}
 
@@ -27,16 +33,16 @@ function __construct( $file_path, $file_extention = '.log' , $retention_size = '
 			$this->file_path = $file_path;
 
 			// File extention
-			if( isset( $file_extention ) ) {
+			if ( isset( $file_extention ) ) {
 				$this->file_extention = $file_extention;
 			}
 
 			// Retention size
-			if( isset( $retention_size ) && !empty( $retention_size ) && (int)$retention_size > 0 ) {
+			if ( isset( $retention_size ) && ! empty( $retention_size ) && (int) $retention_size > 0 ) {
 				$this->retention_size = $retention_size;
 			}
 
-			$this->is_configured = true;
+			$this->is_configured = (bool) $write_enabled;
 		}
 
 		/**
@@ -45,36 +51,72 @@ function __construct( $file_path, $file_extention = '.log' , $retention_size = '
 		 * @param $message : the message to log
 		 * @return boolean : true on success
 		 * @author Nicolas Juen
-		 *
 		 */
 		public function log_this( $message, $type = '' ) {
-			if( $this->is_configured === false ) {
+			if ( ! $this->is_configured ) {
 				return false;
 			}
 
 			// Add the type
-			if( empty( $type ) ) {
+			if ( empty( $type ) ) {
 				$type = self::gravity_7;
 			}
 
 			// Make the file path
-			$file_path = $this->file_path.$this->file_extention;
+			$file_path = $this->file_path . $this->file_extention;
 
 			// If the file exists
-			if( is_file( $file_path ) ) {
+			if ( is_file( $file_path ) ) {
 				// Get file size
 				$size = filesize( $file_path );
 
 				// Check size
-				if( $size > $this->retention_size ) {
-					// Rename the file
-					rename( $file_path, $this->file_path.'-'.date( 'Y-m-d-H-i-s' ).$this->file_extention );
+				if ( $size > $this->retention_size ) {
+					$rotated_path = $this->file_path . '-' . date( 'Y-m-d-H-i-s' ) . $this->file_extention;
+					if ( rename( $file_path, $rotated_path ) ) {
+						$this->maybe_zip_rotated_file( $rotated_path );
+					}
 				}
 			}
 
 			// Log the error
-			error_log( date('[d-m-Y H:i:s]').'['.$type.'] '.$message."\n", 3, $file_path );
+			error_log( date( '[d-m-Y H:i:s]' ) . '[' . $type . '] ' . $message . "\n", 3, $file_path );
 			return true;
 		}
+
+		/**
+		 * Compress a rotated log into a sibling .zip and remove the plain file on success.
+		 *
+		 * @param string $rotated_path Absolute path to the rotated log file.
+		 */
+		private function maybe_zip_rotated_file( $rotated_path ) {
+			if ( ! class_exists( 'ZipArchive' ) ) {
+				return;
+			}
+
+			if ( ! is_string( $rotated_path ) || '' === $rotated_path || ! is_file( $rotated_path ) ) {
+				return;
+			}
+
+			$zip_path = $rotated_path . '.zip';
+			$zip      = new ZipArchive();
+
+			if ( true !== $zip->open( $zip_path, ZipArchive::CREATE | ZipArchive::OVERWRITE ) ) {
+				return;
+			}
+
+			$zip->addFile( $rotated_path, basename( $rotated_path ) );
+
+			if ( ! $zip->close() ) {
+				if ( is_file( $zip_path ) ) {
+					unlink( $zip_path );
+				}
+				return;
+			}
+
+			if ( is_file( $zip_path ) && filesize( $zip_path ) > 0 ) {
+				unlink( $rotated_path );
+			}
+		}
 	}
-}
\ No newline at end of file
+}
diff --git a/inc/utils/class.bounce.email.php b/inc/utils/class.bounce.email.php
index 85e0cc7..4730112 100644
--- a/inc/utils/class.bounce.email.php
+++ b/inc/utils/class.bounce.email.php
@@ -5,7 +5,7 @@
 class Bea_Sender_BounceEmail {
 
 	private $bmh;
-	private static $locked = false;
+	private static $locked    = false;
 	private static $lock_file = '/lock-bounce.lock';
 
 	/**
@@ -17,13 +17,13 @@ class Bea_Sender_BounceEmail {
 
 	public function __construct() {
 		$this->bmh = new PHPMailerBMH();
-		$this->log = new Bea_Log( WP_CONTENT_DIR.'/bea-sender-bounce-cron' );
+		$this->log = new Bea_Log( WP_CONTENT_DIR . '/bea-sender-bounce-cron', '.log', '', bea_sender_is_file_logging_enabled() );
 	}
 
 	public function bounce_init() {
 
 		// If we are already locked, stop the process
-		if ( !self::lock() ) {
+		if ( ! self::lock() ) {
 			return false;
 		}
 
@@ -45,7 +45,7 @@ public function bounce_init() {
 			'movehard'         => false,
 			'hardmailbox'      => 'INBOX.hard',
 			'movesoft'         => false,
-			'softmailbox'      => 'INBOX.soft'
+			'softmailbox'      => 'INBOX.soft',
 		);
 
 		// Parse the args
@@ -62,7 +62,6 @@ public function bounce_init() {
 			return false;
 		}
 
-
 		// BHM setup
 		$this->bmh->mailhost = $host['mailhost'];
 		// your mail server
@@ -86,7 +85,7 @@ public function bounce_init() {
 		// default is false
 		$this->bmh->softMailbox = $host['softmailbox'];
 		// default is 'INBOX.soft' - NOTE: must start with 'INBOX.'
-		//$this->bmh->deleteMsgDate      = '2009-01-05'; // format must be as
+		// $this->bmh->deleteMsgDate      = '2009-01-05'; // format must be as
 		// 'yyyy-mm-dd'
 
 		// Log
@@ -95,7 +94,7 @@ public function bounce_init() {
 		$this->bmh->MailboxOpen();
 		$this->bmh->actionFunction = array(
 			$this,
-			'callback_action'
+			'callback_action',
 		);
 
 		$this->log->log_this( 'Process mailbox' );
@@ -106,11 +105,13 @@ public function bounce_init() {
 		self::unlock();
 	}
 
-	/* This is a sample callback function for PHPMailer-BMH (Bounce Mail Handler).
+	/*
+	This is a sample callback function for PHPMailer-BMH (Bounce Mail Handler).
 	 * This callback function will echo the results of the BMH processing.
 	 */
 
-	/* Callback (action) function
+	/*
+	Callback (action) function
 	 * @param int     $msgnum        the message number returned by Bounce Mail
 	 * Handler
 	 * @param string  $bounce_type   the bounce type:
@@ -143,17 +144,21 @@ public function callback_action( $msgnum, $bounce_type, $email, $subject, $xhead
 		if ( $receiver_result ) {
 			$this->log->log_this( sprintf( '%s found on database', $email ) );
 			$wpdb->update(
-				$wpdb->bea_s_receivers, array(
+				$wpdb->bea_s_receivers,
+				array(
 					'current_status' => 'invalid',
 					'bounce_cat'     => $rule_cat,
 					'bounce_type'    => $bounce_type,
-					'bounce_no'      => $rule_no
-				), array( 'email' => $email ), array(
+					'bounce_no'      => $rule_no,
+				),
+				array( 'email' => $email ),
+				array(
+					'%s',
 					'%s',
 					'%s',
 					'%s',
-					'%s'
-				), array( '%s' )
+				),
+				array( '%s' )
 			);
 		}
 
@@ -164,12 +169,16 @@ public function callback_action( $msgnum, $bounce_type, $email, $subject, $xhead
 		if ( $re_ca__result ) {
 			$this->log->log_this( sprintf( '%s found on the _re_ca table', $email ) );
 			$wpdb->update(
-				$wpdb->bea_s_re_ca, array( 'current_status' => 'bounced' ), array(
+				$wpdb->bea_s_re_ca,
+				array( 'current_status' => 'bounced' ),
+				array(
 					'id_campaign' => $xheader,
-					'id_receiver' => $receiver_id
-				), array( '%s' ), array(
+					'id_receiver' => $receiver_id,
+				),
+				array( '%s' ),
+				array(
+					'%d',
 					'%d',
-					'%d'
 				)
 			);
 		}
@@ -202,7 +211,7 @@ private static function lock() {
 		}
 
 		// If we are already locked, stop now
-		if ( fopen( WP_CONTENT_DIR . self::$lock_file, "x" ) ) {
+		if ( fopen( WP_CONTENT_DIR . self::$lock_file, 'x' ) ) {
 			self::$locked = true;
 			return true;
 		}
@@ -224,5 +233,4 @@ private static function unlock() {
 		// Unlock the file
 		self::$locked = false;
 	}
-
 }
diff --git a/inc/utils/class.sender.php b/inc/utils/class.sender.php
index 94ec13c..0d76f24 100644
--- a/inc/utils/class.sender.php
+++ b/inc/utils/class.sender.php
@@ -1,8 +1,8 @@
 <?php
 class Bea_Sender_Sender {
 
-	private $campaigns = array( );
-	private static $locked = false;
+	private $campaigns        = array();
+	private static $locked    = false;
 	private static $lock_file = '/lock-send.lock';
 
 	/**
@@ -12,43 +12,43 @@ class Bea_Sender_Sender {
 	 */
 	private $log;
 
-	function __construct( ) {
-		$this->log = new Bea_Log( WP_CONTENT_DIR.'/bea-sender-email-cron' );
+	function __construct() {
+		$this->log = new Bea_Log( WP_CONTENT_DIR . '/bea-sender-email-cron', '.log', '', bea_sender_is_file_logging_enabled() );
 	}
 
 	/**
 	 * @return array|bool
 	 * @author Nicolas Juen
 	 */
-	public function init( ) {
-		if( !self::lock() ) {
+	public function init() {
+		if ( ! self::lock() ) {
 			return false;
 		}
 
 		$this->log->log_this( 'Start sending' );
 
-		if( !$this->getCampaigns( ) ) {
+		if ( ! $this->getCampaigns() ) {
 			$this->log->log_this( 'No campaign to send, exit.' );
 			// Unlock the file
 			self::unlock();
 		}
 
-		return $this->sendCampaigns( );
+		return $this->sendCampaigns();
 	}
 
 	/**
 	 * @return bool
 	 * @author Nicolas Juen
 	 */
-	private function getCampaigns( ) {
+	private function getCampaigns() {
 		/* @var $wpdb wpdb */
 		global $wpdb;
 
-		$cols = $wpdb->get_col( "SELECT id FROM $wpdb->bea_s_campaigns WHERE current_status IN( '".implode( "','", Bea_Sender_Campaign::getAuthStatuses( ) )."' ) AND scheduled_from <= '".current_time( 'mysql' )."' ORDER BY add_date ASC" );
+		$cols = $wpdb->get_col( "SELECT id FROM $wpdb->bea_s_campaigns WHERE current_status IN( '" . implode( "','", Bea_Sender_Campaign::getAuthStatuses() ) . "' ) AND scheduled_from <= '" . current_time( 'mysql' ) . "' ORDER BY add_date ASC" );
 
 		$this->log->log_this( sprintf( '%d campaigns to send', count( $cols ) ) );
-		if( !isset( $cols ) || empty( $cols ) ) {
-			$this->campaigns = array( );
+		if ( ! isset( $cols ) || empty( $cols ) ) {
+			$this->campaigns = array();
 			return false;
 		}
 		$this->campaigns = array_map( 'absint', $cols );
@@ -59,19 +59,19 @@ private function getCampaigns( ) {
 	 * @return array
 	 * @author Nicolas Juen
 	 */
-	private function sendCampaigns( ) {
-		$results = array( );
+	private function sendCampaigns() {
+		$results = array();
 
 		do_action( 'bea_sender_before_send' );
-		foreach( $this->campaigns as $campaign_id ) {
+		foreach ( $this->campaigns as $campaign_id ) {
 			$campaign = new Bea_Sender_Campaign( $campaign_id );
-			if( $campaign->isData( ) !== true ) {
+			if ( $campaign->isData() !== true ) {
 				continue;
 			}
 			$this->log->log_this( sprintf( 'Send %s campaign', $campaign_id ) );
 			do_action( 'bea_sender_before_send_campaign', $campaign_id, $campaign );
 			// Make the sending
-			$results[] = $campaign->makeSend( );
+			$results[] = $campaign->makeSend();
 			do_action( 'bea_sender_after_send_campaign', $campaign_id, $campaign );
 
 		}
@@ -80,8 +80,8 @@ private function sendCampaigns( ) {
 		// Unlock the file
 		self::unlock();
 
-		$this->log->log_this( 'End campaigns '.var_export( $results, true ) );
-		
+		$this->log->log_this( 'End campaigns ' . var_export( $results, true ) );
+
 		return $results;
 	}
 
@@ -101,12 +101,12 @@ private static function lock() {
 
 		clearstatcache();
 
-		$lock_file_path = WP_CONTENT_DIR.self::$lock_file;
-		
-		if( is_file( $lock_file_path ) ) {
+		$lock_file_path = WP_CONTENT_DIR . self::$lock_file;
+
+		if ( is_file( $lock_file_path ) ) {
 			// Check if lock file is older than 24 hours (86400 seconds)
 			$file_age = time() - filemtime( $lock_file_path );
-			if( $file_age > 86400 ) {
+			if ( $file_age > 86400 ) {
 				// File is too old, remove it to avoid stale locks
 				unlink( $lock_file_path );
 				clearstatcache(); // Clear cache after file deletion
@@ -116,14 +116,14 @@ private static function lock() {
 				return false;
 			}
 		}
-		
+
 		// If we are already locked, stop now
-		if( $lock_file_handle = fopen( $lock_file_path, "x" ) ) {
-			fclose($lock_file_handle);
+		if ( $lock_file_handle = fopen( $lock_file_path, 'x' ) ) {
+			fclose( $lock_file_handle );
 			self::$locked = true;
 			return true;
 		}
-		
+
 		return false;
 	}
 
@@ -132,11 +132,11 @@ private static function lock() {
 	 */
 	private static function unlock() {
 		// Remove the file if needed
-		if( is_file( WP_CONTENT_DIR.self::$lock_file ) ) {
-			unlink( WP_CONTENT_DIR.self::$lock_file );
+		if ( is_file( WP_CONTENT_DIR . self::$lock_file ) ) {
+			unlink( WP_CONTENT_DIR . self::$lock_file );
 		}
-		
+
 		// Unlock the file
 		self::$locked = false;
-	} 
+	}
 }