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-rw-r--r--doc/doc-txt/experimental-spec.txt17
1 files changed, 15 insertions, 2 deletions
diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index c93123c39..74614cd3f 100644
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -798,6 +798,8 @@ expansion is done. The current list of events is:
msg:complete after main per message
msg:delivery after transport per recipient
+ msg:rcpt:host:defer after transport per recipient per host
+ msg:rcpt:defer after transport per recipient
msg:host:defer after transport per attempt
msg:fail:delivery after main per recipient
msg:fail:internal after main per recipient
@@ -811,16 +813,20 @@ variable to decide when to act. The value of the variable is a colon-separated
list, defining a position in the tree of possible events; it may be used as
a list or just matched on as a whole. There will be no whitespace.
+New event types may be added in the future.
+
There is an auxilary variable, $event_data, for which the
content is event_dependent:
msg:delivery smtp confirmation mssage
+ msg:rcpt:host:defer error string
+ msg:rcpt:defer error string
msg:host:defer error string
tls:cert verification chain depth
smtp:connect smtp banner
-The msg:host:defer event populates one extra variable, $event_defer_errno.
+The :defer events populate one extra variable, $event_defer_errno.
The following variables are likely to be useful depending on the event type:
@@ -848,7 +854,14 @@ event_action = ${if eq {msg:delivery}{$event_name} \
The string is expanded when each of the supported events occur
and any side-effects of the expansion will happen.
-Note that for complex operations an ACL expansion can be used.
+
+Note that for complex operations an ACL expansion can be used,
+however due to the multiple contexts the Exim operates in
+a) variables set in events raised from transports will not
+ be visible outside that transport call.
+b) acl_m variables in a server context are lost on a new connection,
+ and after helo/ehlo/mail/starttls/rset commands
+
The expansion of the event_action option should normally