[pfx] Re: Encrypted connections only
Viktor Dukhovni via Postfix-users <[email protected]>
| Newsgroups | gmane.mail.postfix.user |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Apr 02, 2026 at 10:37:31AM +0200, Paul van der Vlis via Postfix-users wrote:
> I would like that myself, but I wonder what happens if a connection cannot
> be established. I would like such a message to be returned to the sender
> immediately, rather than getting stuck in the queue.
>
> I would also like to get an idea of which mail will be rejected. Who are
> running a mailserver without TLS 1.2 or higher?
You need a much better definition of "a connection cannot be established"?
Surely you don't mean, for example, failure to establish a TCP connection?
Transient network glitches should not result in failure to deliver email.
What happens if the SMTP server is restarted while some clients are
still connected, perhaps mid TLS handshake? Should that lead to mail
bounces?
...
I am quite sceptical of the wisdom of such an "immediate bounces"
policy.
--
Viktor. 🇺🇦 Слава Україні!
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