diff --git a/group_vars/all b/group_vars/all
index 05600b2..f94a926 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -18,3 +18,4 @@ ispmail_certificate_domains:
 ispmail_certificate_email: postmaster@example.org
 ispmail_certificate_days_valid: 3650
 
+ispmail_postmaster_address: postmaster@example.org
diff --git a/roles/ispmail-dovecot/tasks/main.yml b/roles/ispmail-dovecot/tasks/main.yml
index c518169..42ab2f9 100644
--- a/roles/ispmail-dovecot/tasks/main.yml
+++ b/roles/ispmail-dovecot/tasks/main.yml
@@ -27,7 +27,7 @@
   copy: src=10-ssl.conf dest=/etc/dovecot/conf.d/10-ssl.conf
   notify: restart dovecot
 - name: Copying LDA configuration (10-lda.conf - enable sieve plugin)
-  copy: src=15-lda.conf dest=/etc/dovecot/conf.d/15-lda.conf
+  template: src=15-lda.conf.j2 dest=/etc/dovecot/conf.d/15-lda.conf
   notify: restart dovecot
 - name: Copying SQL access configuration (dovecot-ssql.conf.ext)
   template: src=dovecot-sql.conf.ext.j2 dest=/etc/dovecot/dovecot-sql.conf.ext
diff --git a/roles/ispmail-dovecot/files/15-lda.conf b/roles/ispmail-dovecot/templates/15-lda.conf.j2
similarity index 95%
rename from roles/ispmail-dovecot/files/15-lda.conf
rename to roles/ispmail-dovecot/templates/15-lda.conf.j2
index 220503a..2d7ccc9 100644
--- a/roles/ispmail-dovecot/files/15-lda.conf
+++ b/roles/ispmail-dovecot/templates/15-lda.conf.j2
@@ -4,11 +4,11 @@
 
 # Address to use when sending rejection mails.
 # Default is postmaster@<your domain>. %d expands to recipient domain.
-#postmaster_address =
+postmaster_address = {{ispmail_postmaster_address}}
 
 # Hostname to use in various parts of sent mails (e.g. in Message-Id) and
 # in LMTP replies. Default is the system's real hostname@domain.
-#hostname = 
+#hostname =
 
 # If user is over quota, return with temporary failure instead of
 # bouncing the mail.
@@ -32,7 +32,7 @@
 #recipient_delimiter = +
 
 # Header where the original recipient address (SMTP's RCPT TO: address) is taken
-# from if not available elsewhere. With dovecot-lda -a parameter overrides this. 
+# from if not available elsewhere. With dovecot-lda -a parameter overrides this.
 # A commonly used header for this is X-Original-To.
 #lda_original_recipient_header =
 
@@ -46,4 +46,3 @@ protocol lda {
   # Space separated list of plugins to load (default is global mail_plugins).
   mail_plugins = $mail_plugins sieve
 }
-