diff --git a/README.md b/README.md
index 79fcedc..f186814 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,10 @@ Postfix is used as the SMTP server and Dovecot is used as the IMAP server
 
 TLS certs are obtained via lets encrypt
 
+OpenDKIM is used for signing paired with spamassassin for mail filter
+
+A custom self-written Bash script is used to parse logs and automatically drop connections from offenders with iptables 
+
 ## Extremely useful tools in debugging
 
 - postfix check