diff --git a/roles/mail/templates/postfix-out/transport.pcre b/roles/mail/templates/postfix-out/transport.pcre
index fc96b4019cd58adf412879ee3ad5202ec160b5b1..883a6e66f9a4610ffb5ea00d1b8d2a0eb83ca33b 100644
--- a/roles/mail/templates/postfix-out/transport.pcre
+++ b/roles/mail/templates/postfix-out/transport.pcre
@@ -1,4 +1,6 @@
 # Send high-volume, high-spam traffic onto the lower-priority
 # smtp transport.
 /(yahoo|hotmail|live)(\.[a-z]{2,3}){1,2}$/ smtp-lowpri:
-/tiscali\.it$/ smtp-lowpri:
+{% for pattern in postfix_low_priority_domains | default([]) %}
+/{{ pattern }}/ smtp-lowpri:
+{% endfor %}