On Mon, 30 Mar 2015 23:41:21 +0200 Reindl Harald <h.rei...@thelounge.net> wrote:
> well, than you can't use recent MS Exchange as a MX and have to place > a MTA in front which get it's user list via database, LDAP or > whatever and is able to reject invalid RCPTs Indeed. Office 365 does not grant LDAP access. So the only way is to explicitly list all valid recipients in the filtering machine, which is not a very nice solution. Regards, David.
