修复邮件系统保存邮件的问题：1. 添加邮箱ID查询逻辑 2. 调整SMTP客户端连接方式

app/services/mail_store.py

@@ -161,11 +161,40 @@ class MailStore:
             # 保存到数据库
             session = self.db_session_factory()
             try:
+                # 查找收件人对应的邮箱
+                mailbox_id = None
+                recipients_list = recipients if isinstance(recipients, list) else [recipients]
+                
+                for recipient in recipients_list:
+                    # 提取域名和用户名
+                    if '@' in recipient:
+                        username, domain = recipient.split('@', 1)
+                        logging.info(f"查找邮箱: 用户名={username}, 域名={domain}")
+                        
+                        # 查询域名
+                        domain_obj = session.query(Domain).filter(Domain.name == domain).first()
+                        if domain_obj:
+                            # 查询邮箱
+                            mailbox = session.query(Mailbox).filter(
+                                Mailbox.domain_id == domain_obj.id,
+                                Mailbox.address == username
+                            ).first()
+                            
+                            if mailbox:
+                                mailbox_id = mailbox.id
+                                logging.info(f"找到邮箱ID: {mailbox_id}")
+                                break
+                
+                if not mailbox_id:
+                    logging.error(f"收件人 {recipients} 没有对应的邮箱记录")
+                    return False, "收件人邮箱不存在"
+                
                 # 创建新邮件记录
                 new_email = Email(
+                    mailbox_id=mailbox_id,  # 设置邮箱ID
                     subject=subject,
                     sender=sender,
-                    recipients=','.join(recipients) if isinstance(recipients, list) else recipients,
+                    recipients=','.join(recipients_list) if len(recipients_list) > 1 else recipients_list[0],
                     body_text=body_text,
                     body_html=body_html,
                     received_at=datetime.now()

send_verification_email.py

@@ -49,7 +49,8 @@ def send_verification_email(smtp_host, smtp_port, to_email):
     
     # 连接SMTP服务器并发送
     try:
-        server = smtplib.SMTP(smtp_host, smtp_port)
+        # 使用显式的源地址
+        server = smtplib.SMTP(smtp_host, smtp_port, timeout=30, source_address=('127.0.0.1', 0))
         server.set_debuglevel(1)  # 开启调试模式
         print(f"连接到SMTP服务器: {smtp_host}:{smtp_port}")