<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body><div style="font-family:Helvetica,Arial;font-size:13px"><br></div> <br><p class="airmail_on">On June 5, 2019 at 5:33:05 PM, Cosell Bernie (<a href="mailto:bernie@fantasyfarm.com">bernie@fantasyfarm.com</a>) wrote:</p><div><blockquote type="cite" class="clean_bq" style="font-family:Helvetica,Arial;font-size:13px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span><div><span style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration:none;float:none;display:inline!important">That reminds me: what happened to the IPv4 apocalypse? Is there a plan, yet, for<span class="Apple-converted-space"> </span></span><br style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration:none;float:none;display:inline!important">phasing out IPv4?<span class="Apple-converted-space"> </span></span></div></span></blockquote></div><p>It's still imminent, as it has been for (*quick google search*) about 9 years now. </p><p>Seriously, there are regions that are depleted. But we still seem to figure out how to keep things from collapsing. Sort of like email. Really smart people seem to figure it out on the fly. </p><div><div><blockquote type="cite" class="clean_bq" style="font-family:Helvetica,Arial;font-size:13px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span><div><br style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration:none;float:none;display:inline!important">I've gotten confused about this DMARC. I didn't think it had *anything* to do<span class="Apple-converted-space"> </span></span><br style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration:none;float:none;display:inline!important">with blocking bad guys, but little more than protecting the "reputation" of the<span class="Apple-converted-space"> </span></span><br style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration:none;float:none;display:inline!important">good guys.<span class="Apple-converted-space"> </span></span></div></span></blockquote></div><p>Google started asking people to reject DMARC failures in 2016, and I think started doing so inbound in 2018. I have been able to avoid going elbow deep in email since I left Strongmail (12 years ago. sigh, I'm old) so I'm not totally up on the details of things any more (thank god).</p><p><br></p><div><blockquote type="cite" class="clean_bq" style="font-family:Helvetica,Arial;font-size:13px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span><div><span style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration:none;float:none;display:inline!important">And it has the side effect of kinda breaking mailing lists [as we discovered with<span class="Apple-converted-space"> </span></span><br style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration:none;float:none;display:inline!important">Vint's email]. Help me understand how DMARC slows down the bad guys.<span class="Apple-converted-space"> </span></span><br style="color:rgb(0,0,0);font-family:"helvetica Neue",helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"></div></span></blockquote><br class="Apple-interchange-newline"></div><div>Not necessarily. It can be done. This looks like a decent guide: <a href="https://begriffs.com/posts/2018-09-18-dmarc-mailing-list.html">https://begriffs.com/posts/2018-09-18-dmarc-mailing-list.html</a> </div><div><br></div><div>But honestly, I stopped running my own long ago, too. Used Yahoo Groups longer than it deserved, now I use <a href="http://groups.io">groups.io</a>, and it's wonderful and painless (and written by the guy who wrote the software Yahoo bought and turned into Yahoo Groups). That way, someone else has to think about it for me... </div><br class="Apple-interchange-newline"></div> <div class="gmail_signature"><br style="font-family:Helvetica;font-size:12px"><span style="font-family:Helvetica;font-size:12px">Chuq Von Rospach - <a href="http://www.chuqui.com">http://www.chuqui.com</a></span><br style="font-family:Helvetica;font-size:12px"><span style="font-family:Helvetica;font-size:12px">Email: <a href="mailto:chuqvr@gmail.com">chuqvr@gmail.com</a></span><br style="font-family:Helvetica;font-size:12px"><span style="font-family:Helvetica;font-size:12px">Twitter: @chuq</span><br style="font-family:Helvetica;font-size:12px"><span style="font-family:Helvetica;font-size:12px">Silicon Valley, California</span></div></body></html>