=== modified file 'Mailman/MTA/Postfix.py'
--- Mailman/MTA/Postfix.py	2008-08-22 22:21:26 +0000
+++ Mailman/MTA/Postfix.py	2010-05-10 22:40:21 +0000
@@ -123,6 +123,8 @@
     # Set up the mailman-loop address
     loopaddr = Utils.get_site_email(mlist.host_name, extra='loop')
     loopdest = Utils.ParseEmail(loopaddr)[0]
+    if mm_cfg.VIRTUAL_MAILMAN_LOCAL_DOMAIN:
+        loopdest += '@' + mm_cfg.VIRTUAL_MAILMAN_LOCAL_DOMAIN
     # Seek to the end of the text file, but if it's empty write the standard
     # disclaimer, and the loop catch address.
     fp.seek(0, 2)
@@ -146,8 +148,12 @@
     # Now add all the standard alias entries
     for k, v in makealiases(listname):
         fqdnaddr = '%s@%s' % (k, hostname)
+        if mm_cfg.VIRTUAL_MAILMAN_LOCAL_DOMAIN:
+            localaddr = '%s@%s' % (k, mm_cfg.VIRTUAL_MAILMAN_LOCAL_DOMAIN)
+        else:
+            localaddr = k
         # Format the text file nicely
-        print >> fp, fqdnaddr, ((fieldsz - len(k)) * ' '), k
+        print >> fp, fqdnaddr, ((fieldsz - len(k)) * ' '), localaddr
     # Finish the text file stanza
     print >> fp, '# STANZA END:', listname
     print >> fp