Pigeonhole, vacation being sent incorrectly

[Harry Mills]

Hi,

I have an issue with a vacation message in a sieve script. I can't see 
an error in the script itself.

Pigeonhole version: 0.4.2-32
Dovecot Version: 2.2.10

The script was created by Ingo (part of the Horde suite), but I think 
the script is fine. The problem is that when a message is sent to the 
"everyone" group (and alias for every person in the organisation), 
vacation messages are being sent back which I believe is an error.

The script is:


===============================================
# Sieve Filter
# Generated by Ingo (http://www.horde.org/apps/ingo/) (11/11/14, 
5:20:06 pm GMT)
require ["vacation", "regex", "fileinto"];
# Vacation
if allof ( not exists "list-help", not exists "list-unsubscribe", not 
exists "list-subscribe", not exists "list-owner", not exists 
"list-post", not exists "list-archive", not exists "list-id", not exists 
"Mailing-List", not header :comparator "i;ascii-casemap" :is 
"Precedence" ["list", "bulk", "junk"], not header :comparator 
"i;ascii-casemap" :matches "To" "Multiple recipients of*" ) {
     if header :regex "Received" "^.*(2014) (\\(.*\\) )?..:..:.. 
(\\(.*\\) )?((\\+|\\-)[[:digit:]]{4}|.{1,5})( \\(.*\\))?$" {
     if header :regex "Received" "^.*(Nov) (\\(.*\\) )?.... (\\(.*\\) 
)?..:..:.. (\\(.*\\) )?((\\+|\\-)[[:digit:]]{4}|.{1,5})( \\(.*\\))?$" {
     if header :regex "Received" "^.*(13|14|15|16|17|18) (\\(.*\\) )?... 
(\\(.*\\) )?.... (\\(.*\\) )?..:..:.. (\\(.*\\) 
)?((\\+|\\-)[[:digit:]]{4}|.{1,5})( \\(.*\\))?$" {
     vacation :days 7 :addresses "user2" :subject "Out of office" 
"IMPORTANT MESSAGE^M
THE MESSAGE
";
}
}
}
}
===============================================

The user "User2" sent a vacation message back to the sender 
"user at example.com" in response to this message (headers only):

===============================================
Return-path: <User at example.com>
Envelope-to: everyone at example.com
Delivery-date: Thu, 13 Nov 2014 16:08:16 +0000
Received: from tunis.Exampledomain.local ([192.168.254.107] helo=Tunis)
         by mail.example.com with esmtp (Exim 4.72)
         (envelope-from <User at example.com>)
         id 1XowwM-0007Qw-Cj
         for everyone at example.com; Thu, 13 Nov 2014 16:08:10 +0000
From: "User" <User at example.com>
To: "Everyone at Example" <everyone at example.com>
Subject: Electrician
Date: Thu, 13 Nov 2014 16:08:10 -0000
Organization: Example Consultancy
Message-ID: <02e601cfff5c$051ec350$0f5c49f0$@example.com>
MIME-Version: 1.0
Content-Type: multipart/alternative;
         boundary="----=_NextPart_000_02E7_01CFFF5C.051FD4C0"
X-Mailer: Microsoft Outlook 14.0
Thread-Index: Ac//W17ujWbs6KgRRsOZFc7+qT45Tg==
Content-Language: en-gb
X-Spam-Note: SpamAssassin run bypassed - sent from local address

This is a multipart message in MIME format.

===============================================

I have checked RFC 5230 section 4.5 which states:

    "Vacation" MUST NOT respond to a message unless the recipient user's
    email address is in a "To", "Cc", "Bcc", "Resent-To", "Resent-Cc", or
    "Resent-Bcc" line of the original message.

I cannot see the address for "user2 at example.com" in any of those fields, 
or indeed referenced anywhere in the email. Is this a bug, or am I 
misunderstanding something?

Harry
-- 
Harry Mills                                         Tel: 01749 812100
Managing Director                                   Mob: 07815 848818
Opendium Ltd.                                       www.opendium.com