> On May 15, 2018, at 8:01 AM, Bokhan Artem <[email protected]> wrote:
>
> When sending single email these lookups are made:
>
> 1. "*"
This is typically cached, and not queried for each and every message.
> 2. "source@emal"
> 3. "destination@email"
> 4. "destination@email"
>
> Especially what directives cause lookups over "mail from" address and why
> destination address is called twice?
Postfix performs the lookups it needs to perform. We document
the configuration interface. The exact timing and multiplicity
of the underlying lookups is an internal detail. Postfix is
modular and some lookups are made in more than once in separate
processes.
--
Viktor.
