comments, fix sendmail path

altermime.py

@@ -1,3 +1,14 @@
+#!/usr/bin/python
+"""
+Python reimplementation of the here shown bash script:
+https://dukun.de/xox/altermime/postfix-altermime-howto-2.html
+
+Use at your own risk, comes without warranty.
+
+License: GPLv3
+Author: Georg Schlisio
+"""
+
 import subprocess
 import sys
 
@@ -10,9 +21,9 @@ EX_UNAVAILABLE = 69
 am = subprocess.run(["/usr/bin/altermime",
                         "--input=-",
                         f"--disclaimer={DISCLAIMER}",
-                        f"--htmltoo",
+                        "--htmltoo",
                         "--force-for-bad-html",
-                        #"--xheader='blablubb'",
+                        #"--xheader='blablubb'",        # example of how to add arbitrary header
                         ],
                         stdin=sys.stdin,
                         capture_output=True)
@@ -20,7 +31,5 @@ am = subprocess.run(["/usr/bin/altermime",
 if am.returncode > 0:
     sys.exit(EX_UNAVAILABLE)
 
-sendmailprocess = subprocess.Popen(["./sendmail"] + sys.argv[1:], stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)
+sendmailprocess = subprocess.Popen(["/usr/bin/sendmail"] + sys.argv[1:], stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)
 sendmailprocess.communicate(input=am.stdout)       
-
-sys.exit(0)