On Mon, Oct 09, 2017 at 05:04:44PM +0200, Enrico Morelli wrote:
> I'm trying to configure my outlook account to send email through my
> mail server, but I receive the following error:
That would presumably be the STARTTLS submission service on port
587, or perhaps smtps (TLS first then SMTP) port 465.
> InvalidRecipientsException: Invalid recipients were provided for the
> message: '[hidden email]' (450 4.7.1
> <HE1PR1001MB1369.EURPRD10.PROD.OUTLOOK.COM>: Helo command rejected:
> Host not found
> Is there a way to put *outlook.com in a "white list"?
Wrong question. Instead don't filter the helo command at all for
authenticated submission users. See the commented out sample
master.cf configurations (from the stock master.cf file
distributed with Postfix source) in: