fanf2 2005/09/22 13:03:36 BST
Modified files:
exim-doc/doc-txt NewStuff
Log:
Explain in the ratelimit docs how to work out the over-limit recovery time.
Revision Changes Path
1.74 +6 -1 exim/exim-doc/doc-txt/NewStuff
Index: NewStuff
===================================================================
RCS file: /home/cvs/exim/exim-doc/doc-txt/NewStuff,v
retrieving revision 1.73
retrieving revision 1.74
diff -u -u -r1.73 -r1.74
--- NewStuff 19 Sep 2005 14:01:51 -0000 1.73
+++ NewStuff 22 Sep 2005 12:03:36 -0000 1.74
@@ -1,4 +1,4 @@
-$Cambridge: exim/exim-doc/doc-txt/NewStuff,v 1.73 2005/09/19 14:01:51 ph10 Exp $
+$Cambridge: exim/exim-doc/doc-txt/NewStuff,v 1.74 2005/09/22 12:03:36 fanf2 Exp $
New Features in Exim
--------------------
@@ -353,7 +353,12 @@
updated. The effect of this is that Exim measures the client's average
rate of attempts to send email, which can be much higher than the
maximum. If the client is over the limit it will be subjected to
- counter-measures until it slows down below the maximum rate.
+ counter-measures until it slows down below the maximum rate. The
+ smoothing period determines the time it takes for a high sending rate
+ to decay exponentially to 37% of its peak value, which means that you
+ can work out the time (the number of smoothing periods) that a client
+ is subjected to counter-measures after an over-limit burst with the
+ formula ln(peakrate/maxrate).
The leaky option means that the client's recorded rate is not updated
if it is above the limit. The effect of this is that Exim measures the
