FYI to whomever maintains community.inovelli.com, the outbound mail server signs messages with DKIM keys but they are not present on community.inovelli.com:
Authentication-Results: mail.pfak.org (amavisd-new); dkim=neutral
reason="invalid (public key: not available)"
header.d=community.inovelli.com
Received: from mail.pfak.org ([127.0.0.1])
by localhost (mail.pfak.org [127.0.0.1]) (amavisd-new, port 10024)
with ESMTP id ZMkFIk-C7Y3Y for <peter@kieser.ca>;
Tue, 25 Apr 2023 17:01:28 +0000 (UTC)
Received: from m43-8.mailgun.net (m43-8.mailgun.net [69.72.43.8])
(using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)
key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384)
(Client did not present a certificate)
by mail.pfak.org (Postfix) with ESMTPS id 4B2C4220654
for <peter@kieser.ca>; Tue, 25 Apr 2023 17:01:28 +0000 (UTC)
DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed;
d=community.inovelli.com; q=dns/txt; s=krs; t=1682442086; x=1682449286;
h=List-Archive: List-ID: List-Unsubscribe: Content-Transfer-Encoding:
Content-Type: Mime-Version: Subject: Subject: References: In-Reply-To:
Message-ID: To: To: Reply-To: From: From: Date: Sender: Sender;
bh=HlLUmEHgkyvKZa7xgJAAfmU4wrzgLO3DJB3SZgxmVrQ=;
b=in0jDqWnD2UF58fh09lMLBqxtoctg2y8XLDdThHp0fPSxLgHDn2yfgPVOvKWPmgPUeJj/k02kbPN6K0XDpWQCRuOJM9PClArKTpRHjf9Z4jepPhJ/FyO7pu0ISn55fE1L+VYuiu3zFbHBZmBri1zLhMBZwiJ2l0RhNhcAfz4thg=
X-Mailgun-Sending-Ip: 69.72.43.8
X-Mailgun-Sid: WyIyMmFlYyIsInBldGVyQGtpZXNlci5jYSIsIjIyYzRmYjEiXQ==