> On Dec 12, 2018, at 2:48 PM, Daniel Miller <dmil...@amfes.com> wrote:
>
> Not wanting to get in the way of the experts but this may help:
Indeed a nice succinct and accessible answer for non-experts. Please
don't hesitate to post similarly helpful replies.
> An oversimplified view of the transport map is it tells Postfix what line in
> master.cf to use for a given recipient domain (or full address). There's
> only one transport map but it can have several lines for individual decisions.
>
> Wietse's email told you to perform a command-line test to verify your
> transport map is setup correctly. So do that first.
>
> The definitions in master.cf tell Postfix where to listen and where to send
> the message. So with an explicit transport mapping, using master.cf you
> provide explicit overrides to the defaults or global settings from main.cf.
> So if the only "special" behavior you need for the exchange transport is no
> sasl:
>
> exchange unix - - n - - smtp
> -o smtp_sender_dependent_authentication=no
--
Viktor.