Jean-Fran?ois Bachelet:
> Hello ^^)
>
> Le 24/06/2021 ? 15:42, Wietse Venema a ?crit?:
> > Here is your problem:
> >
> > Jun 24 12:54:48 amiga postfix/smtp[26534]: connect to mail.'external
> > host'[external host IP]:25: Connection timed out
This shows that you configured the Postfix SMTP client to connect
to port 25. Port 25 (service smtp) is the default.
> > Many ISPs do not allow outbound connections to port 25. That is a
> > fairly standard configuration to block spam from the ISP's customers.
>
> I know this, it's exactly why I want my out mail to use only secure
> ports 465 and/or 587.
>
> I don't see why postfix insist to send by port 25 when its config says
> to use SMTPS ports ???
Because you did not configure the Postfix SMTP CLIENT.
Wietse
