Docs: notes on ETRN

[exim.git] / doc / doc-docbook / filter.xfpt

diff --git a/doc/doc-docbook/filter.xfpt b/doc/doc-docbook/filter.xfpt
index 84e7d4a43248017400e42cc6a3fe238069676cd2..77b295ce9b2b4e12d61e42faa3353f6d5b1ad2e7 100644 (file)
--- a/doc/doc-docbook/filter.xfpt
+++ b/doc/doc-docbook/filter.xfpt
@@ -48,7 +48,7 @@
 . Copyright year.  Update this (only) when changing content.
 
 .macro copyyear
-2018
+2023
 .endmacro
 
 . ===========================================================================
@@ -285,9 +285,9 @@ in RFC 3028, which should be read in conjunction with these notes.
 The Exim Sieve implementation offers the core as defined by RFC 3028,
 comparison tests, the subaddress parameter, the &*copy*&, &*envelope*&,
 &*fileinto*&, &*notify*&, and &*vacation*& extensions, but not the &*reject*&
-extension. Exim does not support message delivery notifications (MDNs), so
-adding it just to the Sieve filter (as required for &*reject*&) makes little
-sense.
+extension.
+Exim did not support message delivery notifications (MDNs) when Sieve handling
+was introduced, so &*reject*& (which need them) could not be supported.
 
 In order for Sieve to work properly in Exim, the system administrator needs to
 make some adjustments to the Exim configuration. These are described in the