diff --git a/build/run/installer.sh b/build/run/installer.sh
index 8bed5ac..d56b40f 100755
--- a/build/run/installer.sh
+++ b/build/run/installer.sh
@@ -140,22 +140,28 @@ policyd-spf  unix  -       n       n       -       -       spawn
 master.cf
 
 # Deleting Email Headers For Outgoing Emails
-echo -e '/^X-Spam-Status:/               IGNORE
+cat >>/etc/postfix/smtp_header_checks <<- 'postfix'
+/^X-Spam-Status:/               IGNORE
 /^X-Spam-Checker-Version:/      IGNORE
 /^Received:.*/                  IGNORE
-/^User-Agent:.*/                IGNORE' | tee /etc/postfix/smtp_header_checks >/dev/null
+/^User-Agent:.*/                IGNORE
+postfix
 
 # Header checks
-echo "/free mortgage quote/    DISCARD
-/repair your credit/     DISCARD
-/lose weight/     DISCARD
-/To:.*<>/           DISCARD
-/From:.*<>/         DISCARD" | tee -a /etc/postfix/header_checks >/dev/null
+cat >>/etc/postfix/header_checks <<- 'postfix'
+/free mortgage quote/     DISCARD
+/repair your credit/      DISCARD
+/lose weight/             DISCARD
+/To:.*<>/                 DISCARD
+/From:.*<>/               DISCARD
+postfix
 
 # Body checks
-echo "/free mortgage quote/    DISCARD
+cat >>/etc/postfix/body_checks <<- 'postfix'
+/free mortgage quote/    DISCARD
 /repair your credit/     DISCARD
-/lose weight/            DISCARD" | tee -a /etc/postfix/body_checks >/dev/null
+/lose weight/            DISCARD
+postfix
 
 # Touch aliases db
 newaliases
@@ -170,8 +176,8 @@ mkdir -p /etc/dovecot/ /etc/ssl/dovecot/
 
 # dovecot.conf
 cat >/etc/dovecot/dovecot.conf <<- dovecot.conf
-dovecot_config_version = 2.4.2
-dovecot_storage_version = 2.4.2
+dovecot_config_version = 2.4.3
+dovecot_storage_version = 2.4.3
 
 sql_driver = mysql
 mysql /run/mysqld/mysqld.sock {