# Exim test configuration 3202 .include DIR/aux-var/std_conf_prefix primary_hostname = myhost.test.ex # ----- Main settings ----- # Use first three components of address to select ACL acl_smtp_rcpt = acl_${sg{${tr{$sender_host_address}{.}{_}}}{^(.*)_.*\$}{\$1}} # ----- ACLs ----- begin acl acl_1_1_1: accept hosts = net-testdb;defer acl_1_1_2: deny domains = testdb;defer acl_1_1_3: require local_parts = testdb;defer # End