diff --git a/tasks/main.yml b/tasks/main.yml
index f11230c..8638e8a 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -147,13 +147,11 @@
         {% elif p == "file" %}
         hash:/etc/postfix/{{ d }}_users
         {% endif %}{{ '' if loop.last else ',' }}{% endfor %},
-      virtual_transport: "{{ dovecot_container }}:24"
-      virtual_mailbox_domains:
-        "{{ postfix_mail_domains }}"
+      virtual_transport: "lmtp:{{ dovecot_container }}:24"
+      virtual_mailbox_domains: "{{ postfix_mail_domains }}"
       smtpd_sasl_path: "inet:{{ dovecot_container }}:12345"
       smtpd_sasl_type: dovecot
-      smtpd_sasl_auth_enable:
-        "{{ 'yes' if postfix_enable_smtpd_auth else 'no' }}"
+      smtpd_sasl_auth_enable: "{{ 'yes' if postfix_enable_smtpd_auth else 'no' }}"
       smtpd_tls_cert_file: /ssl/cert.pem
       smtpd_tls_key_file: /ssl/key.pem
       smtp_tls_security_level: