diff --git a/site-cookbooks/kosmos_email/recipes/postfix.rb b/site-cookbooks/kosmos_email/recipes/postfix.rb
index 3942dd1..7c61475 100644
--- a/site-cookbooks/kosmos_email/recipes/postfix.rb
+++ b/site-cookbooks/kosmos_email/recipes/postfix.rb
@@ -24,6 +24,9 @@ node.normal['postfix']['main']['mydomain'] = domain
 node.normal['postfix']['main']['myorigin'] = domain
 node.normal['postfix']['main']['myhostname'] = hostname
 node.normal['postfix']['main']['mynetworks'] = ["10.1.1.0/24", "127.0.0.0/8"]
+node.normal['postfix']['main']['mydestination'] = [domain, hostname, 'localhost.localdomain', 'localhost'].compact
+node.normal['postfix']['main']['smtp_use_tls'] = "yes"
+node.normal['postfix']['main']['smtp_tls_security_level'] = "may"
 node.normal['postfix']['main']['smtpd_use_tls'] = "yes"
 node.normal['postfix']['main']['smtpd_tls_cert_file'] = "/etc/letsencrypt/live/#{hostname}/fullchain.pem"
 node.normal['postfix']['main']['smtpd_tls_key_file'] = "/etc/letsencrypt/live/#{hostname}/privkey.pem"