Posts by non-subscribed members
In an internal scenario, it can sometimes be troublesome to make sure that everyone's email client is configured correctly. In these cases it is sometimes appropriate to permit arbitrary email addresses posting priviledges.
You do this on the
List Administrator page, under
Privacy Options, on subscreen
Sender Filters, down near the bottom is the option
generic_nonmember_action. Set it to
Accept, and anyone can now send.
Note that doing this will open the list to spam abuse.
Posts without explicit list destination
...ie for scenarios where the list is BCC:d or accessed through some kind of alias.
You do this on the
List Administrator page, under
Privacy Options, on subscreen
Recipient Filters. Set
require_explicit_destination to
No.