diff --git a/roles/mail_server/molecule/default/group_vars/parameters-optional.yml b/roles/mail_server/molecule/default/group_vars/parameters-optional.yml
index 763856006809d5711b812733838c74c1f19ced21..e1ea8b98ff96d88a31b99632c25b1119308403a3 100644
--- a/roles/mail_server/molecule/default/group_vars/parameters-optional.yml
+++ b/roles/mail_server/molecule/default/group_vars/parameters-optional.yml
@@ -28,13 +28,13 @@ smtp_rbl:
 
 mail_postmaster: "webmaster@parameters-optional"
 smtp_allow_relay_from:
-  - "{% if ansible_distribution_release == 'jessie' %}10.31.127.20{% elif ansible_distribution_release == 'stretch' %}10.31.127.22{% endif %}"
+  - "10.31.127.22"
 
 # common
 ca_certificates:
   testca: "{{ lookup('file', 'tests/data/x509/ca.cert.pem') }}"
 
-# backup_client (backup username should end in -j64/-s64 for Jessie/Stretch.
+# backup_client (backup username should end in -s64 for Stretch).
 enable_backup: true
 backup_client_username: "bak-parameters-optional-{{ ansible_distribution_release[0] }}64"
 backup_encryption_key: "{{ lookup('file', 'tests/data/gnupg/parameters-optional.asc') }}"