--- /dev/null
+# Exim test configuration 0625
+
+.include DIR/aux-var/std_conf_prefix
+
+# ----- Main settings -----
+
+domainlist local_domains = test.ex
+qualify_domain = test.ex
+log_selector = +received_recipients +outgoing_port +millisec
+smtp_backlog_monitor = 1
+
+smtp_accept_max_per_host = ${acl {delay}}10
+remote_max_parallel = 3
+
+acl_smtp_rcpt = discard
+
+# ----- ACL -----
+begin acl
+
+delay:
+ accept
+ delay = 2s
+
+# ----- Routers -----
+begin routers
+r:
+ driver = accept
+ transport = smtp
+
+# ----- Trnasport -----
+begin transports
+smtp:
+ driver = smtp
+ hosts = 127.0.0.1
+ port = PORT_D
+ allow_localhost
+ hosts_try_fastopen =
+ max_rcpt = 1
+
+# ----- Retry -----
+begin retry
+* * F,5d,1d
+
+# End
+