1 files changed, 30 insertions, 0 deletions

diff --git a/contrib/qmail-lmtp b/contrib/qmail-lmtp
new file mode 100755
index 000000000..c6398f892
--- /dev/null
+++ b/contrib/qmail-lmtp
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+#
+# Written by Thomas Schneider <qsuscs@qsuscs.de>
+# This script is placed in public domain.  If this is not applicable, consider
+# it licensed under the CC-0:
+# <https://creativecommons.org/publicdomain/zero/1.0/>
+
+try:
+    import smtplib
+    import sys
+    import os
+
+    lmtp = smtplib.LMTP("localhost", int(sys.argv[1]))
+
+    try:
+        lmtp.sendmail(
+            os.environ['SENDER'],
+            os.environ['EXT' + sys.argv[2]] + "@" + os.environ['HOST'],
+            sys.stdin.buffer.read()
+        )
+    except smtplib.SMTPResponseException as e:
+        if 400 <= e.smtp_code < 500:
+            exit(111)
+        # otherwise, it's either a 5xx aka permanent error or something else
+        # is already b0rked, thus raise -> exit(100) -> have qmail return a
+        # 5xx error
+        else:
+            raise
+except:
+    exit(100)