<div dir="ltr"><div><div style="font-size:small" class="gmail_default">Any idea what is happening here?</div><br>Keith<br></div><br><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">---------- Forwarded message ---------<br>From: <b class="gmail_sendername" dir="auto">Mail Delivery Subsystem</b> <span dir="auto"><<a href="mailto:mailer-daemon@googlemail.com">mailer-daemon@googlemail.com</a>></span><br>Date: Wed, Jul 8, 2026 at 11:52 AM<br>Subject: Delivery Status Notification (Failure)<br>To:  <<a href="mailto:hkeithhenson@gmail.com">hkeithhenson@gmail.com</a>><br></div><br><br><div class="msg6409763364882069693">




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Message blocked
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Your message to <a style="color:#212121;text-decoration:none"><b>extropy-chat@lists.extropy.org</b></a> has been blocked. See technical details below for more information.
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The response from the remote server was:<br>
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550 5.7.1 Access denied. HELO does not resolve to connecting IPv6 address. (HELO )
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