diff --git a/run.sh b/run.sh
index 57743c3..ad839a6 100644
--- a/run.sh
+++ b/run.sh
@@ -32,6 +32,7 @@ add_config_value "myhostname" ${SERVER_HOSTNAME}
 add_config_value "mydomain" ${DOMAIN}
 add_config_value "mydestination" "${DESTINATION:-localhost}"
 add_config_value "myorigin" '$mydomain'
+add_config_value "append_dot_mydomain" 'no'
 add_config_value "relayhost" "[${SMTP_SERVER}]:${SMTP_PORT}"
 add_config_value "smtp_use_tls" "yes"
 if [ ! -z "${SMTP_USERNAME}" ]; then
@@ -49,9 +50,6 @@ if [ "${SMTP_PORT}" = "465" ]; then
   add_config_value "smtp_tls_security_level" "encrypt"
 fi
 
-# Bind to both IPv4 and IPv4
-add_config_value "inet_protocols" "all"
-
 # Create sasl_passwd file with auth credentials
 if [ ! -f /etc/postfix/sasl_passwd -a ! -z "${SMTP_USERNAME}" ]; then
   grep -q "${SMTP_SERVER}" /etc/postfix/sasl_passwd  > /dev/null 2>&1