diff --git a/network/detection/smtp-detect.yaml b/network/detection/smtp-detect.yaml
index 9138afa5a1..71b4449824 100644
--- a/network/detection/smtp-detect.yaml
+++ b/network/detection/smtp-detect.yaml
@@ -2,12 +2,12 @@ id: smtp-service-detect
 
 info:
   name: SMTP Service Detection
-  author: pussycat0x
+  author: pussycat0x,userdehghani
   severity: info
   description: |
     SMTP is part of the application layer of the TCP/IP protocol. Using a process called “store and forward,” SMTP moves your email on and across networks.
   metadata:
-    max-request: 1
+    max-request: 4
   tags: network,service,smtp,detect,mail
 
 tcp:
@@ -15,7 +15,7 @@ tcp:
       - data: "\r\n"
     host:
       - "{{Hostname}}"
-    port: 25
+    port: 25,2525,465,587
 
     matchers:
       - type: word