diff --git a/postfix/opendkim.conf b/postfix/opendkim.conf
index 05c9d340..f8c1b6c3 100644
--- a/postfix/opendkim.conf
+++ b/postfix/opendkim.conf
@@ -4,6 +4,7 @@ UMask                   002
 Syslog                  yes
 SyslogSuccess           Yes
 LogWhy                  Yes
+RemoveOldSignatures	Yes
 
 Canonicalization        relaxed/simple
 
@@ -18,4 +19,4 @@ SignatureAlgorithm      rsa-sha256
 
 UserID                  opendkim:opendkim
 
-Socket                  inet:12301@localhost
\ No newline at end of file
+Socket                  inet:12301@localhost