[pfx] Re: certificates (was: New to Postfix, Google problems)

On Fri, Aug 07, 2026, Jim Seymour via Postfix-users wrote:
> On Fri, 7 Aug 2026 16:46:51 +0100
> Joe via Postfix-users <[email protected]> wrote:

> > My concern is that I was sending to Gmail recipients perfectly well
> > through the old server using exim4, then about four days later when
> > I got Postfix running on new hardware using an equally self-signed
> > certificate, it wasn't working.

> Unless every client (or service) that connects to your server has

Maybe I misunderstand something here: Joe writes about sending,
but you write about receiving.
Those two things are rather different, esp. when it comes to certs
nowadays.

> And, IMO, there's really no longer much justification for using
> them—not with Let's Encrypt certs available.

Let's Encrypt certs are now useless as client certs, right?
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication
_______________________________________________
Postfix-users mailing list -- [email protected]
To unsubscribe send an email to [email protected]