[pfx] Re: Adding a VPN layer on top of TLS secured SMTP submission + IMAP

On Wed, 22 Apr 2026 10:09:08 +0200
Fabian Keil via Postfix-users <[email protected]> wrote:

> I'd expect this to be usable, too.
> 
> On one server, where I'm the only user, I access the SMTP submission
> port and the POP3 port over SSH and when the client is in an
> untrustworthy network I usually connect to the SSH port through Tor.

OK so you tend to use SSH for tunneling. I mentioned WireGuard because
my research indicates it has much better performance due to it being a
kernel module, running over UDP (which avoids TCP-over-TCP issues) and
also supporting multithreading. But aside from the VPN protocol used,
the split tunnel concept should be the same.
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