odoo/odoo — pull request #2846 by rim-odoo (2014-10-02 07:31:07+00:00)
Title: [mass mailing] Option to keep sent emails

- Task: https://www.odoo.com/web#id=9401&view_type=form&model=project.task&menu_id=3942&action=327
- Pad: https://pad.odoo.com/p/r.j1aX0C0c6kuBLWuH