On April 11, 2018 9:43:10 PM GMT+03:00, Jeremy Harris via Exim-users <exim-users@???> wrote: >On 11/04/18 17:27, Mike Brudenell via Exim-users wrote:
>> a *helo_data* command within your Exim
>> transport to set the HELO/EHLO string for each connection to, say,
>reflect
>> the domain name of the sender of the outgoing message instead of the
>> default action of always using the primary hostname.
>
>That would be incorrect per standards. The HELO name should identify
>the sending system.
Then what about hosting servers with multiple interfaces? I mean, if i dedicate particular IP to a client, then he probably did not want, that other clients affect its IP reputation. Thus, a simple solution would be to specify 'interface' and matching to used IP's rdns 'helo_data' .