Creation of a new mailing list to send notifications

Background

Based on the discussion that took place on the mailing list about the proposal @toscalix sent to send the commits a mailing list, answering the request pointed at GUADEC, the process to open a new mailing list needs to be followed.

Task description

The process to open a mailing list is the following one:

• Request the opening of a new list to the GNOME sysadmins following the mailing list request process
  • Request the name buildstream-notifications
  • Add @tristanvb and @tlater as owners.
• Once created, follow the process established in #20 (closed)

If the request takes too long, notify @tristanvb

Mailing list key configurations

Configured the mailing list with the following key configs:

• Prefix [Notes]. {Notifications] is too long, given that gitlab add [Git][group/project] to the subject already.
• Length in Kb: 4096
• Digest Length: 40960
• Archive: weekly since it is expected, based on my tests, heavy traffic.
• Welcome and unsubscribe message.
  • Welcome message includes a reference to the read-only by default character of the list.
• Reduce reply to notification mailing lists options:
  • Explicitly Reply-to header: buildstream-list@gnome.org
  • Reply_goes_to_list option is set to Explicit address
    • Note: when mailers senders are poorly implemented, this features does not work well. Apparently this is the case for us.

Acceptance Criteria

• Link to the mailing list: https://mail.gnome.org/mailman/listinfo/buildstream-notifications-list

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