3rd

utils.py

@@ -213,7 +213,7 @@ def process_recipients(recipients_str):
 def send_email(to_addrs, subject, body):
     """
     Sends an email using the SMTP settings from the config.
-    Enhanced with detailed debugging information.
+    Supports both authenticated (Port 465/587) and unauthenticated (Port 25) methods.
     """
     print(f"[EMAIL DEBUG] 開始發送郵件...")
     print(f"[EMAIL DEBUG] 收件者數量: {len(to_addrs)}")
@@ -224,14 +224,18 @@ def send_email(to_addrs, subject, body):
         # 取得 SMTP 設定
         smtp_server = current_app.config['SMTP_SERVER']
         smtp_port = current_app.config['SMTP_PORT']
-        use_tls = current_app.config['SMTP_USE_TLS']
+        use_tls = current_app.config.get('SMTP_USE_TLS', False)
+        use_ssl = current_app.config.get('SMTP_USE_SSL', False)
         sender_email = current_app.config['SMTP_SENDER_EMAIL']
-        sender_password = current_app.config['SMTP_SENDER_PASSWORD']
+        sender_password = current_app.config.get('SMTP_SENDER_PASSWORD', '')
+        auth_required = current_app.config.get('SMTP_AUTH_REQUIRED', False)
         
         print(f"[EMAIL DEBUG] SMTP 設定:")
         print(f"[EMAIL DEBUG]   - 伺服器: {smtp_server}:{smtp_port}")
         print(f"[EMAIL DEBUG]   - 使用 TLS: {use_tls}")
+        print(f"[EMAIL DEBUG]   - 使用 SSL: {use_ssl}")
         print(f"[EMAIL DEBUG]   - 寄件者: {sender_email}")
+        print(f"[EMAIL DEBUG]   - 需要認證: {auth_required}")
         print(f"[EMAIL DEBUG]   - 有密碼: {'是' if sender_password else '否'}")
 
         # 建立郵件內容
@@ -243,21 +247,29 @@ def send_email(to_addrs, subject, body):
         print(f"[EMAIL DEBUG] 郵件內容建立完成")
 
         # 連接 SMTP 伺服器
-        print(f"[EMAIL DEBUG] 連接 SMTP 伺服器 {smtp_server}:{smtp_port}...")
-        server = smtplib.SMTP(smtp_server, smtp_port)
+        if use_ssl and smtp_port == 465:
+            # Port 465 使用 SSL
+            print(f"[EMAIL DEBUG] 使用 SSL 連接 SMTP 伺服器 {smtp_server}:{smtp_port}...")
+            server = smtplib.SMTP_SSL(smtp_server, smtp_port)
+        else:
+            # Port 25 或 587 使用一般連接
+            print(f"[EMAIL DEBUG] 連接 SMTP 伺服器 {smtp_server}:{smtp_port}...")
+            server = smtplib.SMTP(smtp_server, smtp_port)
+        
         print(f"[EMAIL DEBUG] SMTP 伺服器連接成功")
         
-        if use_tls:
+        if use_tls and smtp_port == 587:
             print(f"[EMAIL DEBUG] 啟用 TLS...")
             server.starttls()
             print(f"[EMAIL DEBUG] TLS 啟用成功")
         
-        if sender_password:
+        # 只在需要認證時才登入
+        if auth_required and sender_password:
             print(f"[EMAIL DEBUG] 登入 SMTP 伺服器...")
             server.login(sender_email, sender_password)
             print(f"[EMAIL DEBUG] SMTP 登入成功")
         else:
-            print(f"[EMAIL DEBUG] 無需密碼認證")
+            print(f"[EMAIL DEBUG] 使用匿名發送（Port 25 無需認證）")
         
         # 發送郵件
         print(f"[EMAIL DEBUG] 發送郵件...")