rpms/exim/devel exim-4.66-greylist-conf.patch,NONE,1.1

[David Woodhouse (dwmw2)]

Author: dwmw2

Update of /cvs/extras/rpms/exim/devel
In directory cvs-int.fedora.redhat.com:/tmp/cvs-serv27586

Added Files:
	exim-4.66-greylist-conf.patch 
Log Message:
greylisting patch to make conf file

exim-4.66-greylist-conf.patch:

--- NEW FILE exim-4.66-greylist-conf.patch ---
--- exim-4.66/src/configure.default.grey	2007-02-07 12:01:16.000000000 +0000
+++ exim-4.66/src/configure.default	2007-02-07 12:09:06.000000000 +0000
@@ -435,7 +435,8 @@ acl_check_rcpt:
   # There are no default checks on DNS black lists because the domains that
   # contain these lists are changing all the time. However, here are two
   # examples of how you can get Exim to perform a DNS black list lookup at this
-  # point. The first one denies, whereas the second just warns.
+  # point. The first one denies, whereas the second just warns. The third
+  # triggers greylisting for any host in the blacklist.
   #
   # deny    message       = rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text
   #         dnslists      = black.list.example
@@ -443,6 +444,10 @@ acl_check_rcpt:
   # warn    dnslists      = black.list.example
   #         add_header    = X-Warning: $sender_host_address is in a black list at $dnslist_domain
   #         log_message   = found in $dnslist_domain
+  #
+  # warn    dnslists      = black.list.example
+  #         set acl_m_greylistreasons = Host found in $dnslist_domain\n$acl_m_greylistreasons
+  #
   #############################################################################
 
   #############################################################################
@@ -456,6 +461,10 @@ acl_check_rcpt:
   # require verify = csa
   #############################################################################
 
+  # Alternatively, greylist for it:
+  # warn !verify = csa
+  #      set acl_m_greylistreasons = Host failed CSA check\n$acl_m_greylistreasons
+
   # At this point, the address has passed all the checks that have been
   # configured, so we accept it unconditionally.
 
@@ -481,6 +490,12 @@ acl_check_data:
   # deny    condition  = ${if !def:h_Message-ID: {1}}
   #         message    = RFC2822 says that all mail SHOULD have a Message-ID header.\n\
   #                      Most messages without it are spam, so your mail has been rejected.
+  #
+  # Alternatively if we're feeling more lenient we could just use it to 
+  # trigger greylisting instead:
+
+  warn    condition  = ${if !def:h_Message-ID: {1}}
+          set acl_m_greylistreasons = Message lacks Message-Id: header. Consult RFC2822.\n$acl_m_greylistreasons
 
   # Deny if the message contains a virus. Before enabling this check, you
   # must install a virus scanner and set the av_scanner option above.
@@ -515,8 +530,30 @@ acl_check_data:
   #         message   = Your message scored $spam_score SpamAssassin point. Report follows:\n\
   #  	    	        $spam_report
 
+  # Trigger greylisting (if enabled) if the SpamAssassin score is greater than 0.5
+  #
+  # warn    condition = ${if >{$spam_score_int}{5} {1}}
+  #         set acl_m_greylistreasons = Message has $spam_score SpamAssassin points\n$acl_m_greylistreasons
+
+
+  # If you want to greylist _all_ mail rather than only mail which looks like there
+  # might be something wrong with it, then you can do this...
+  #
+  # warn set acl_m_greylistreasons = We greylist all mail\n$acl_m_greylistreasons
+
+  # Now, invoke the greylisting. For this you need to have installed the exim-greylist
+  # package which contains this subroutine, and you need to uncomment the bit below
+  # which includes it too. Whenever the $acl_m_greylistreasons variable is non-empty,
+  # greylisting will kick in and will defer the mail to check if the sender is a
+  # proper mail which which retries, or whether it's a zombie. For more details, see
+  # the exim-greylist.conf.inc file itself.
+  #
+  # require acl = greylist_mail
+
   accept
 
+# To enable the greylisting, also uncomment this line: 
+# .include /etc/exim/exim-greylist.conf.inc
 
 acl_check_mime: