List owner recipients

When a message is posted to a mailing list’s -owners address, all of the list’s administrators will receive a copy. The administrators are defined as the set of owners and moderators.

>>> from mailman.app.lifecycle import create_list
>>> mlist_1 = create_list('alpha@example.com')

Anne is the owner of the list and Bart is a moderator of the list.

>>> from mailman.interfaces.usermanager import IUserManager
>>> from zope.component import getUtility
>>> user_manager = getUtility(IUserManager)
>>> anne_addr = user_manager.create_address('anne@example.com')
>>> bart_addr = user_manager.create_address('bart@example.com')
>>> from mailman.interfaces.member import MemberRole
>>> anne = mlist_1.subscribe(anne_addr, MemberRole.owner)
>>> bart = mlist_1.subscribe(bart_addr, MemberRole.moderator)

The recipients list for the -owners address includes both Anne and Bart.

>>> from mailman.testing.helpers import (specialized_message_from_string
...   as message_from_string)
>>> msg = message_from_string("""\
... From: Xavier Person <xperson@example.com>
... To: alpha@example.com
...
... """)
>>> msgdata = {}
>>> from mailman.config import config
>>> handler = config.handlers['owner-recipients']
>>> handler.process(mlist_1, msg, msgdata)
>>> from mailman.testing.documentation import dump_list
>>> dump_list(msgdata['recipients'])
anne@example.com
bart@example.com

Anne disables her owner delivery, so she will not receive -owner emails.

>>> from mailman.interfaces.member import DeliveryStatus
>>> anne.preferences.delivery_status = DeliveryStatus.by_user
>>> msgdata = {}
>>> handler.process(mlist_1, msg, msgdata)
>>> dump_list(msgdata['recipients'])
bart@example.com

If Bart also disables his owner delivery, then no one could contact the list’s owners. Since this is unacceptable, the site owner is used as a fallback.

>>> bart.preferences.delivery_status = DeliveryStatus.by_user
>>> msgdata = {}
>>> handler.process(mlist_1, msg, msgdata)
>>> dump_list(msgdata['recipients'])
noreply@example.com

For mailing lists which have no owners at all, the site owner is also used as a fallback.

>>> mlist_2 = create_list('beta@example.com')
>>> print(mlist_2.administrators.member_count)
0
>>> msgdata = {}
>>> handler.process(mlist_2, msg, msgdata)
>>> dump_list(msgdata['recipients'])
noreply@example.com