<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></head><body style='font-size: 10pt; font-family: Verdana,Geneva,sans-serif'> <div class="pre" style="margin: 0; padding: 0; font-family: monospace">On 2021-03-04 01:54, Suresh Ramasubramanian wrote: <blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0">Do you see email providers of significant size using it? --srs</blockquote> Potentially Microsoft [<a href="https://www.e-shot.net/insights/help/half-of-the-internet-is-blacklisted-uceprotect" target="_blank" rel="noopener noreferrer">https://www.e-shot.net/insights/help/half-of-the-internet-is-blacklisted-uceprotect</a>]. Office 365 Support has referred to uceprotect-level3 as a possible cause of why my mail gets delivered to the junk mail folder for their clients (<a href="https://pasteboard.co/JQYtxM2.png" target="_blank" rel="noopener noreferrer">https://pasteboard.co/JQYtxM2.png</a>). -- Regards, Kristijonas</div> </body></html>