+[[rule_system_macros]]
+Available Macros for the Rule System
+------------------------------------
+
+It is possible to use macros inside most fields of action objects.
+That way it is possible to access and include data contained in the
+original mail, get envelope sender and receivers addresses or include
+additional information about Viruses and Spam. Currently the
+following macros are defined:
+
+[cols="l,3d",options="header"]
+|======
+|Macro |Comment
+|__SENDER__ |(envelope) sender mail address
+|__RECEIVERS__ |(envelope) receiver mail address list
+|__ADMIN__ |Email address of the administrator
+|__TARGETS__ |Subset of receivers matched by the rule
+|__SUBJECT__ |Subject of the message
+|__MSGID__ |The message ID
+|__RULE__ |Name of the matching rule
+|__RULE_INFO__ |Additional information about the matching rule
+|__VIRUS_INFO__ |Additional information about detected viruses
+|__SPAMLEVEL__ |Computed spam level
+|__SPAM_INFO__ |Additional information why message is spam
+|__SENDER_IP__ |IP address of sending host
+|__VERSION__ |The current software version (proxmox mail gateway)
+|__FILENAME__ |Attachment file name
+|__SPAMSTARS__ |A series of "*" charactes where each one represents a full score (__SPAMLEVEL__) point
+|======