Re: Heads up: GMail regularly marking list messages as spam

From: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Date: Aug 13, 2024, 15:06 UTC
Message-ID: <20240813-sociable-fresh-whippet-3ee335@meerkat>
In-Reply-To: <Zrp7yNKMxhPk6Tyt@tapette.crustytoothpaste.net>

On Mon, Aug 12, 2024 at 09:16:56PM GMT, brian m. carlson wrote:

Show 10 quoted lines

> Gmail and Yahoo have both set up new requirements for senders[0].  This
> requires that all senders have SPF and DKIM, and senders sending more
> than 5000 messages per day have DMARC set up.  One-click unsubscribe in
> RFC 8058 is also obligatory, as is TLS for sending messages.  These
> changes came into effect in February 2024.
> 
> I don't believe vger uses DKIM (at least, it doesn't appear to add DKIM
> headers) and doesn't support RFC 8058 one-click unsubscribe.  Perhaps
> adding support for those, as well as any other relevant requirements,
> would improve things.

These guidelines are only applicable if vger was the origin of the messages, not a forwarder. For forwarders, it is only required to add ARC signatures:

https://support.google.com/mail/answer/175365?hl=en

The only thing we aren't doing is we're not adding X-Forwarded-To headers, because mlmmj doesn't yet support it (should be in 1.5).

-K