diff --git a/mail/v2/conf/postfix/header_checks b/mail/v2/conf/postfix/header_checks
new file mode 100644
index 0000000..544fbcd
--- /dev/null
+++ b/mail/v2/conf/postfix/header_checks
@@ -0,0 +1,5 @@
+/^Received:.*/          IGNORE
+/^X-Originating-IP:/    IGNORE
+/^X-Mailer:/            IGNORE
+/^Mime-Version:/        IGNORE
+/^User-Agent:/          IGNORE
\ No newline at end of file
diff --git a/mail/v2/conf/postfix/main.cf b/mail/v2/conf/postfix/main.cf
index a003156..2dd6455 100644
--- a/mail/v2/conf/postfix/main.cf
+++ b/mail/v2/conf/postfix/main.cf
@@ -155,6 +155,9 @@ mynetworks_style = host
 # getting rid of x-original-to
 enable_original_recipient = no
 
+header_checks = regexp:/etc/postfix/header_checks
+mime_header_checks = $header_checks
+
 # ---------------------------------
 # DKIM
 # --------------------------------------