Merge pull request #23 from adbrosaci/fix/logging

fix: log file uniqueness

src/MailLogger.php

@@ -41,7 +41,7 @@ public function log($type, Message $mail): void
 		if (file_exists($file) && filesize($file)) {
 			$file = str_replace(
 				static::LOG_EXTENSION,
-				'.' . uniqid('', true) . static::LOG_EXTENSION,
+				'.' . bin2hex(random_bytes(20)) . static::LOG_EXTENSION,
 				$file
 			);
 		}