fix: 发件人获取失败问题修复

service-daq/src/main/java/com/simuwang/daq/service/EmailParseService.java

@@ -923,6 +923,9 @@ public class EmailParseService {
             }
             //说明匹配不到，直接获取sender
             Address sender = message.getSender();
+            if(sender == null){
+                return address;
+            }
             String senderEmail = sender.toString();
             log.info("senderEmail:"+senderEmail+"====================");
             if(senderEmail.contains("<") && senderEmail.contains(">") && senderEmail.indexOf("<") < senderEmail.indexOf(">")){