use latest mail image

setup/start/setup_infra.sh

@@ -43,11 +43,14 @@ if docker images "${GRAPHITE_REPO}" | tail -n +2 | awk '{ print $1 ":" $2 }' | g
 fi
 
 # mail (MAIL_SMTP_PORT is 2500 in addons.js. used in mailer.js as well)
+# MAIL_SERVER_NAME is the hostname of the mailserver i.e server uses these certs
+# MAIL_DOMAIN is the domain for which this server is relaying mails
 mail_container_id=$(docker run --restart=always -d --name="mail" \
     -m 75m \
     --memory-swap 150m \
     -h "${arg_fqdn}" \
-    -e "DOMAIN_NAME=${arg_fqdn}" \
+    -e "MAIL_SERVER_NAME=${arg_fqdn}" \
+    -e "MAIL_DOMAIN=${arg_fqdn}" \
     -v "${DATA_DIR}/box/mail:/app/data" \
     --read-only -v /tmp -v /run \
     "${MAIL_IMAGE}")