Send a vacation response only until the end date, fixes #218

core/dovecot/conf/pigeonhole-sieve.dict

@@ -34,3 +34,10 @@ map {
   username_field = email
   value_field = reply_body
 }
+
+map {
+  pattern = priv/reply_enddate
+  table = user
+  username_field = email
+  value_field = reply_enddate
+}

core/dovecot/sieve/before.sieve

@@ -6,6 +6,7 @@ require "mailbox";
 require "imap4flags";
 require "regex";
 require "relational";
+require "date";
 require "comparator-i;ascii-numeric";
 require "vnd.dovecot.extdata";
 require "vnd.dovecot.execute";
@@ -24,6 +25,8 @@ if exists "X-Virus" {
   stop;
 }
 
-if string :is "${extdata.reply_enabled}" "1" {
+if allof (string :is "${extdata.reply_enabled}" "1",
+          currentdate :value "le" "date" "${extdata.reply_enddate}")
+{
   vacation :days 1 :subject "${extdata.reply_subject}" "${extdata.reply_body}";
 }