diff --git a/linupx-scripts.sh b/linupx-scripts.sh
index 7928dab..ad0057f 100755
--- a/linupx-scripts.sh
+++ b/linupx-scripts.sh
@@ -502,8 +502,9 @@ POSTFIX_INSTALL(){
 				read -s PASSWORD
 				echo
 				wget https://git.schroedercity.com/voltron/Misc-Scripts/raw/branch/master/defaults/main.auth.cf -O /etc/postfix/main.cf
-				sed -i "s/<<USERNAME>>/${USERNAME}/g" main.cf
-				sed -i "s/<<PASSWORD>>/${PASSWORD}/g" main.cf
+				echo "smtp.scity.us ${USERNAME}@scity.us:${PASSWORD}" > /etc/postfx/sasl_passwd
+				sudo chmod 600 /etc/postfix/sasl_passwd
+				sudo postmap /etc/postfix/sasl_passwd
 				;;
 		esac