From a25559daced92e5f0734fb34a61728f0de376fc7 Mon Sep 17 00:00:00 2001
From: Son NK <>
Date: Wed, 2 Sep 2020 17:36:11 +0200
Subject: [PATCH] able to choose port to listen on in email_handler. Default to
 20381

---
 email_handler.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/email_handler.py b/email_handler.py
index 987eb5fc..3526602f 100644
--- a/email_handler.py
+++ b/email_handler.py
@@ -30,6 +30,7 @@ It should contain the following info:
 
 
 """
+import argparse
 import asyncio
 import email
 import os
@@ -1477,6 +1478,14 @@ class MailHandler:
 
 
 if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "-p", "--port", help="SMTP port to listen for", type=int, default=20381
+    )
+    args = parser.parse_args()
+
+    LOG.info("Listen for port %s", args.port)
+
     if LOAD_PGP_EMAIL_HANDLER:
         LOG.warning("LOAD PGP keys")
         app = create_app()
@@ -1492,7 +1501,7 @@ if __name__ == "__main__":
         return aiosmtpd.smtp.SMTP(handler, enable_SMTPUTF8=True)
 
     server = loop.run_until_complete(
-        loop.create_server(factory, host="0.0.0.0", port=20381)
+        loop.create_server(factory, host="0.0.0.0", port=args.port)
     )
 
     try: