<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>I've noticed that the big mail outfits don't take complaints seriously from small volume-mailers. They seem to assume that you're either a big mail outfit with a ton of volume to feed their algorithms or you're spam.<br><br><div><span name="x"></span><br><br>-----<br>Mike Hammett<br>Intelligent Computing Solutions<br>http://www.ics-il.com<br><br>Midwest-IX<br>http://www.midwest-ix.com<span name="x"></span><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Joseph Jenkins" <joe@breathe-underwater.com><br><b>To: </b>"Robert Story" <rstory@isi.edu><br><b>Cc: </b>"NANOG" <nanog@nanog.org><br><b>Sent: </b>Sunday, May 10, 2020 8:47:23 AM<br><b>Subject: </b>Re: anyone on from hotmail.com, msn.com, live.com smtp?<br><br><div dir="ltr"><div dir="ltr"><div dir="ltr">No not at all, just replaced with a random address.<div><br></div><div>So nothing from MS as of yet, best I have gotten is these two addresses to go and file complaints. It's been 2 days with no response, MS isn't so attentive it seems.</div><div><br></div><div><a href="https://sender.office.com" target="_blank">https://sender.office.com</a><br></div><div><br></div><div><a href="https://support.microsoft.com/en-us/supportrequestform/8ad563e3-288e-2a61-8122-3ba03d6b8d75" target="_blank">https://support.microsoft.com/en-us/supportrequestform/8ad563e3-288e-2a61-8122-3ba03d6b8d75</a><br></div><div><br></div><div>So at this point we are just queuing up the messages waiting for MS to allow us to send again. What a pain.</div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, May 9, 2020 at 12:22 PM Robert Story <<a href="mailto:rstory@isi.edu" target="_blank">rstory@isi.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">On Fri 2020-05-08 19:35:08-0700 Joseph wrote:<br>
> We are getting this messages when sending emails from our domain.<br>
> We've submitted tickets, but haven't received a response yet. Anyone<br>
> have any insights?<br>
> <br>
> 550 5.7.1 Unfortunately, messages from [1.1.1.1] weren't sent. <br>
<br>
<br>
> It's our own address and everything on the Microsoft site says we are<br>
> clean with no issues.<br>
<br>
1.1.1.1 is your address? You are cloudfare's anycast dns server?<br>
<br>
<br>
$ whois 1.1.1.1<br>
[...]<br>
inetnum: 1.1.1.0 - 1.1.1.255<br>
netname: APNIC-LABS<br>
descr: APNIC and Cloudflare DNS Resolver project<br>
<br>
-- <br>
Robert Story <<a href="http://www.isi.edu/~rstory" rel="noreferrer" target="_blank">http://www.isi.edu/~rstory</a>><br>
USC Information Sciences Institute <<a href="http://www.isi.edu/" rel="noreferrer" target="_blank">http://www.isi.edu/</a>><br>
</blockquote></div>
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