##### lm_mailchimp.rc
#
# Resource file for procmail.
# Filters list messages from lists handled by mailchimp.
#
# Variables, in (set before calling):
#   LISTNAME		List name (e.g. between [...] in Subject:).
#			Mailchimp: Username part of From: or Reply-to: address!
#   LISTEMAIL		Address of list (leave out part after @ and any generic
#			  parts like -return); defaults to LISTNAME.
#			Mailchimp: Value of X-MC-User:!
#   LISTSERVERDOMAIN	Domain of the list server handling this list
#			  (the part after @).
#   LISTFOLDER		Where to store email if it's from this list;
#			  nothing will be stored if this is empty.
#   LISTFOLDER_UMASK	If set, umask to use when saving to LISTFOLDER.
#   PROCDIR		Directory where the procmail resource files are stored.
#   These may be unused by some of the listserver handlers (lm_*.rc):
#   LISTTO		Your address to which list emails are sent.
# Variables, returned:
#   ISTHISLIST		Set to "1" if email is from this list, unset otherwise.
#   LISTEMAIL		Unset.
#
# Run with e.g.:
#   LISTNAME="Weather Discussion"
#   LISTEMAIL="weatherdisc"
#   LISTSERVERDOMAIN="weather.net"
#   LISTFOLDER=somepath/weather-List
#   INCLUDERC=yourpath/lm_mailchimp.rc
# in your $HOME/.procmailrc (you can leave out LISTEMAIL if it's the same as
# LISTNAME).
#
# The latest version is always available from:
#   http://volker.top.geek.nz/soft/procmail/
#
# Copyright (C) by Volker Kuhlmann
#               http://volker.top.geek.nz/contact.html
# Released under the terms of the GNU General Public License (GPL) Version 2.
# See http://www.gnu.org/ for details.
#
# Volker Kuhlmann
#   27 Mar 2020  Created from lm_template.rc.
#   29 Mar 2020  Move examples to separate file.
#

## LISTEMAIL defaults to LISTNAME
:0
* LISTEMAIL ?? ^^^^
{ LISTEMAIL=$LISTNAME }


## Set ISTHISLIST if match occurs
ISTHISLIST=
LSERVERDOM__="(mailchimp\.com|mailchimpapp\.net|list-manage\.com|list-id\.mcsv\.net|mcsignup.com)"


## Admin (subscribe/unsubscribe) email:
#
:0
* $ ^X-Mailer: MailChimp
* $ ^X-Campaign: mailchimp$LISTEMAIL\.
* $ ^X-campaignid: mailchimp$LISTEMAIL\.
* $ ^X-Report-Abuse:.*//$LSERVERDOM__/
* $ ^DKIM-Signature:.*$LISTNAME=(3D)*$LISTSERVERDOMAIN@[a-z0-9_.-]*\.$LSERVERDOM__;
* $ ^X-MC-User: $LISTEMAIL
# Below is only for admin emails:
* $ ^Sender:.*=$LISTSERVERDOMAIN@[a-z0-9_.-]*\.$LSERVERDOM__>
{ ISTHISLIST=1 }


## List email:
#
:0
* LISTSERVERDOMAIN ?? ^\/[a-z0-9_-]*
{ LISTSUBDOMAIN__=$MATCH }
#
:0
* $ ^X-Mailer: MailChimp
* $ ^X-Campaign: mailchimp$LISTEMAIL\.
* $ ^X-campaignid: mailchimp$LISTEMAIL\.
* $ ^X-Report-Abuse:.*//$LSERVERDOM__/
* $ ^DKIM-Signature:.*$LISTNAME=(3D)*$LISTSERVERDOMAIN@$LSERVERDOM__;
* $ ^X-MC-User: $LISTEMAIL
# Below is only for list emails:
* $ ^List-ID: ${LISTEMAIL}mc list
* $ ^List-ID:.*\.$LSERVERDOM__>
* $ ^List-Unsubscribe:.*//$LISTSUBDOMAIN__\..*\.$LSERVERDOM__/
{ ISTHISLIST=1 }


## If match occurred and LISTFOLDER is set, save to LISTFOLDER
:0
* ISTHISLIST ?? ^^1^^
* ! LISTFOLDER ?? ^^^^
{
  :0
  * ! LISTFOLDER_UMASK ?? ^^^^
  { UMASK=$LISTFOLDER_UMASK }
  :0 :
  $LISTFOLDER
}

LISTEMAIL=
LSERVERDOM__=
LISTSUBDOMAIN__=

##### EOF lm_mailchimp.rc