? 317864_queue_mail.patch
Index: INSTALL.TXT
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/comment_notify/INSTALL.TXT,v
retrieving revision 1.3
diff -u -p -r1.3 INSTALL.TXT
--- INSTALL.TXT	12 Oct 2008 00:18:04 -0000	1.3
+++ INSTALL.TXT	28 Oct 2008 00:02:05 -0000
@@ -18,3 +18,12 @@ http://example.com/admin/user/permission
   -Determine which content types to activate it for
   -Determine which subscription modes are allowed
   -Configure the templates for the e-mails
+  
+OPTIONAL MODULES
+----------------
+
+Performance: If you notice that your site is very slow when submiting
+new comments it is possible that the problem is with sending the mails. 
+One option is to use the Queue Mail module
+http://drupal.org/project/queue_mail
+