Instead of accepting mail from all over the internet and queueing it

when the load is too high, back off and only accept mail from debian
hosts when the load hits a threshhold.  At the next threshhold, slightly
higher, start also only queueing mail.
Signed-off-by: Stephen Gran <steve@lobefin.net>

diff --git a/modules/exim/templates/eximconf.erb b/modules/exim/templates/eximconf.erb
index a8b88ec..462daa8 100644 (file)
--- a/modules/exim/templates/eximconf.erb
+++ b/modules/exim/templates/eximconf.erb
@@ -214,7 +214,8 @@ delay_warning =
 <% if nodeinfo.has_key?('heavy_exim') and not nodeinfo['heavy_exim'].empty? %>
 queue_run_max = 50
 deliver_queue_load_max = 50
-queue_only_load = 15
+queue_only_load = 35
+smtp_load_reserve = 20
 <% else %>
 queue_run_max = 5
 deliver_queue_load_max = 10