config.m4, exchange.m4, lists.m4: Allow optout from serving main domain.

[exim-config] / config.m4

diff --git a/config.m4 b/config.m4
index d64ba68..ee20d3a 100644 (file)
--- a/config.m4
+++ b/config.m4
@@ -24,6 +24,10 @@
 ## Master domain name.
 DEFCONF(master_domain, distorted.org.uk)
 
+## List of home-system mail domain names.  This can be empty if we only
+## provide service for special-purpose domanis.
+DEFCONF(sysdomains, CONF_master_domain)
+
 ## The smarthost for satellite hosts.
 DEFCONF(smarthost, mail.distorted.org.uk)