diff --git a/roles/mail/templates/default/postsrsd.j2 b/roles/mail/templates/default/postsrsd.j2
index af41681..27482fa 100644
--- a/roles/mail/templates/default/postsrsd.j2
+++ b/roles/mail/templates/default/postsrsd.j2
@@ -11,10 +11,10 @@ SRS_DOMAIN={{ mail_srs_domain }}
 # If a domain name starts with a dot, it matches all subdomains, but not
 # the domain itself. Separate multiple domains by space or comma.
 #
-SRS_EXCLUDE_DOMAINS=.{{ mail_domain }} {{ mail_domain }}
+SRS_EXCLUDE_DOMAINS=".{{ mail_domain }} {{ mail_domain }}
 {%- for domain in mail_domains %}
  .{{ domain }} {{ domain }}
-{%- endfor %}
+{%- endfor %}"
 
 # First separator character after SRS0 or SRS1.
 # Can be one of: -+=