[sdiy] [ADMIN] Read this if you suddenly received a ton of synth-diy messages

[Tony Mowbray]

Indeed, all hail server upgrades...



Kind Regards

Tony Mowbray

-----Original Message-----
From: Synth-diy <synth-diy-bounces at synth-diy.org> On Behalf Of Ben Stuyts
via Synth-diy
Sent: Tuesday, 7 July 2026 2:06 AM
To: SDIY List <synth-diy at synth-diy.org>
Subject: [sdiy] [ADMIN] Read this if you suddenly received a ton of
synth-diy messages

Hi,

There are a few accounts which have just received a metric ton of synth-diy
messages.

If this was you, they were back-logged because our mail server refused to
negotiate a secure connection with your mail server.

- Our mail server now refuses to connect to servers with outdated TLS
negotiation. Only supports STARTTLS.
- Or your server only supports legacy sigalg (typically SHA-1 or another
obsolete algorithm).

I have now added exceptions for these domains, so they do not use any TLS at
all.

All hail the server OS upgrades.

Ben


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