diff --git a/README.md b/README.md
index fec4fde..f25f018 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,11 @@
   don't give a flying fuck?
 - Did you already set up a vacation autoresponse but they use lists and your
   emails get delivered to the list response (/dev/null most of the time)?
-- Did you get a fuckton of recurring inquiries?
+- Did you get a fuckton of recurring irrelevant inquiries?
 
-Then this is for you. If you set up your email server to pipe the email into
-this tool after filtering for the addresses (used with dovecot2/sieve filters),
-it will send replies to the `From` header, not the `Return-Path` one.
+Then this is for you. If you set up your email server to pipe the email body
+into this tool after filtering for the addresses (used with dovecot2/sieve
+filters), it will send replies to the `From` header, not the `Return-Path` one.
 
 Am I a dick for implementing this? No more than the recruiters unwilling to
 update their filters/mailing lists.
@@ -26,10 +26,8 @@ Used python3 modules:
 
 ## Requirements:
 
-A mailserver.
-
-Pretty much nothing else than `python3`. Modules come shipped.
-
+- A mailserver.
+- Sqlite and its python bindings.
 - `text-reply.txt` containing the text version of your reply
 - `html-reply.html` containing the html version of your reply
 
diff --git a/email-responder.py b/email-responder.py
index df03847..fd9f0e9 100755
--- a/email-responder.py
+++ b/email-responder.py
@@ -46,6 +46,10 @@ if len(rows):
     if last_used_ts >= one_day_before:
         cursor.close()
         conn.close()
+        syslog.syslog(
+            'Not sending recruiter autoreply to %s, last sent at %s' % (
+                original_headers['From'], last_used_ts)
+        )
         sys.exit(0)
 
 if len(rows) == 0:
@@ -72,6 +76,8 @@ msg = MIMEMultipart('alternative')
 msg['Subject'] = 'Re: %s' % original_headers['Subject']
 msg['From'] = original_headers['To']
 msg['To'] = original_headers['From']
+if original_headers['Message-Id']:
+    msg['References'] = original_headers['Message-Id']
 
 with open('text-reply.txt') as fp:
     text_reply = fp.read()