How to reproduce - Send an email to catchall@exemple.com, random@exemple.com (Note : random@exemple.com is an email witch does not exist) --> Issue the email is not bounced To justify the change, this was actually the behavior a while ago, prior to odoo-dev@68a457e The intent of that commit was to consider other possible routes, so this commit doesn't contradict the change. Task-3714565 closes odoo/odoo#161782 X-original-commit: df0c05afbf81ce41c9b1b4cfe93476d4ca397749 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>