diff --git a/templates/postfix/conf.d/canonical.j2 b/templates/postfix/conf.d/canonical.j2
index ca003e5..4505398 100644
--- a/templates/postfix/conf.d/canonical.j2
+++ b/templates/postfix/conf.d/canonical.j2
@@ -2,6 +2,6 @@
 
 {% if postfix_canonical is defined %}
 {% for map in postfix_canonical %}
-{{ "%-30s %s" | format(map.src, map.dest) }}
+{{ "%-50s %s" | format(map.src, map.dest) }}
 {% endfor %}
 {% endif %}
diff --git a/templates/postfix/conf.d/sender_canonical.j2 b/templates/postfix/conf.d/sender_canonical.j2
index 8c2cd0b..0077ddf 100644
--- a/templates/postfix/conf.d/sender_canonical.j2
+++ b/templates/postfix/conf.d/sender_canonical.j2
@@ -2,6 +2,6 @@
 
 {% if postfix_sender_canonical is defined %}
 {% for map in postfix_sender_canonical %}
-{{ "%-30s %s" | format(map.src, map.dest) }}
+{{ "%-50s %s" | format(map.src, map.dest) }}
 {% endfor %}
 {% endif %}