sender-bcc-maps.rst
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	===============
	Sender BCC Maps
	===============

	When a shared folder is used by a number of people, each of them individually
	sending new messages and responding to existing threads, it is important to be
	able to let the other people be aware of the contents of the entire thread.

	Suppose John and Jane are both responsible for the shared mail folder
	`shared/info@example.org` -- the recipient for all `info@example.org` traffic.

	Now suppose that John and Jane both have been delegated the authority to submit
	messages with an envelope sender address of `info@example.org`.

	The following configuration will enable responses and new messages that John or
	Jane send, using the `info@example.org` identity they have been delegated
	authority for, to be stored as part of the ongoing conversation in
	`shared/info@example.org`.

	#. Add a lookup table :file:`/etc/postfix/ldap/sender_bcc_maps_sharedfolders.cf`:

	.. parsed-literal::

	server_host = localhost
	server_port = 389
	version = 3
	search_base = dc=example,dc=org
	scope = sub

	domain = ldap:/etc/postfix/ldap/mydestination.cf

	bind_dn = uid=kolab-service,ou=Special Users,dc=example,dc=org
	bind_pw = someverysecretpassword

	query_filter = (&(\|(mail=%s)(alias=%s))(objectclass=kolabsharedfolder)(kolabFolderType=mail))
	result_attribute = mail

	#. Configure postfix to use this lookup table:

	.. parsed-literal::

	# :command:`postconf -e 'sender_bcc_maps=ldap:/etc/postfix/ldap/sender_bcc_maps_sharedfolders.cf'`
	# :command:`systemctl reload postfix`