--- exim-4.50/src/configure.default.orig	2005-02-22 19:49:15.000000000 +0000
+++ exim-4.50/src/configure.default	2005-02-22 19:46:55.000000000 +0000
@@ -108,6 +108,26 @@
 
 # You should not change that setting until you understand how ACLs work.
 
+# The following ACL entries are used if you want to do content scanning with
+# the exiscan-acl patch. When you uncomment one of these lines, you must also
+# review the respective entries in the ACL section further below.
+
+# acl_smtp_mime = acl_check_mime
+# acl_smtp_data = acl_check_content
+
+# This configuration variable defines the virus scanner that is used with
+# the 'malware' ACL condition of the exiscan acl-patch. If you do not use
+# virus scanning, leave it commented. Please read doc/exiscan-acl-readme.txt
+# for a list of supported scanners.
+
+# av_scanner = sophie:/var/run/sophie
+
+# The following setting is only needed if you use the 'spam' ACL condition
+# of the exiscan-acl patch. It specifies on which host and port the SpamAssassin
+# "spamd" daemon is listening. If you do not use this condition, or you use
+# the default of "127.0.0.1 783", you can omit this option.
+
+# spamd_address = 127.0.0.1 783
 
 # Specify the domain you want to be added to all unqualified addresses
 # here. An unqualified address is one that does not contain an "@" character
@@ -376,6 +396,56 @@
   deny    message       = relay not permitted
 
 
+# These access control lists are used for content scanning with the exiscan-acl
+# patch. You must also uncomment the entries for acl_smtp_data and acl_smtp_mime
+# (scroll up), otherwise the ACLs will not be used. IMPORTANT: the default entries here
+# should be treated as EXAMPLES. You MUST read the file doc/exiscan-acl-spec.txt
+# to fully understand what you are doing ...
+
+acl_check_mime:
+
+  # Decode MIME parts to disk. This will support virus scanners later.
+  warn decode = default
+
+  # File extension filtering.
+  deny message = Blacklisted file extension detected
+       condition = ${if match \
+                        {${lc:$mime_filename}} \
+                        {\N(\.exe|\.pif|\.bat|\.scr|\.lnk|\.com)$\N} \
+                     {1}{0}}
+  
+#  # Reject messages that carry chinese character sets.
+#  # WARNING: This is an EXAMPLE.
+#  deny message = Sorry, noone speaks chinese here
+#       condition = ${if eq{$mime_charset}{gb2312}{1}{0}}
+
+  accept
+
+acl_check_content:
+
+  # Reject virus infested messages.
+  deny  message = This message contains malware ($malware_name)
+        malware = *
+
+  # Always add X-Spam-Score and X-Spam-Report headers, using SA system-wide settings
+  # (user "nobody"), no matter if over threshold or not.
+  warn  message = X-Spam-Score: $spam_score ($spam_bar)
+        spam = nobody:true
+  warn  message = X-Spam-Report: $spam_report
+        spam = nobody:true
+
+  # Add X-Spam-Flag if spam is over system-wide threshold
+  warn message = X-Spam-Flag: YES
+       spam = nobody
+
+  # Reject spam messages with score over 10, using an extra condition.
+  deny  message = This message scored $spam_score points. Congratulations!
+        spam = nobody:true
+        condition = ${if >{$spam_score_int}{100}{1}{0}}
+
+  # finally accept all the rest
+  accept
+  
 
 ######################################################################
 #                      ROUTERS CONFIGURATION                         #