-# $Cambridge: exim/src/src/configure.default,v 1.2 2005/03/29 09:49:49 ph10 Exp $
+# $Cambridge: exim/src/src/configure.default,v 1.3 2005/05/10 14:48:07 ph10 Exp $
######################################################################
# Runtime configuration file for Exim #
# dnslists = black.list.example
#############################################################################
+ #############################################################################
+ # This check is commented out because it is recognized that not every
+ # sysadmin will want to do it. If you enable it, the check performs
+ # Client SMTP Authorization (csa) checks on the sending host. These checks
+ # do DNS lookups for SRV records. The CSA proposal is currently (May 2005)
+ # an Internet draft. You can, of course, add additional conditions to this
+ # ACL statement to restrict the CSA checks to certain hosts only.
+ #
+ # require verify = csa
+ #############################################################################
+
# Accept if the address is in a local domain, but only if the recipient can
# be verified. Otherwise deny. The "endpass" line is the border between
# passing on to the next ACL statement (if tests above it fail) or denying