<div dir="ltr">It looks like an SMTP 550 error, which is usually due to the destination address not existing. The address may have been shut down or their email server may be having issues. I would suggest calling the destination person to figure out what is going on.<div><br></div><div>-Nathan Chung</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 27, 2020 at 11:26 AM Fred Levine via Hidden-discuss <<a href="mailto:hidden-discuss@lists.hidden-tech.net">hidden-discuss@lists.hidden-tech.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div class="gmail-m_7032177684813061805WordSection1"><p class="MsoNormal"><span style="font-size:11pt">I’m wondering if anyone can shed light on this error message (Outlook for Mac):<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:-webkit-standard;color:black"> host <a href="http://mx2.hc3579-74.iphmx.com" target="_blank">mx2.hc3579-74.iphmx.com</a> [139.138.58.193]<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:-webkit-standard;color:black"> SMTP error from remote mail server after DATA:<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:-webkit-standard;color:black"> 550 #5.7.1 Your access to submit messages to this e-mail system has been rejected<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">I’ve sent multiple messages to the same address with no problem. Suddenly they’re being rejected.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">Thanks,<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">Fred<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">Fred Levine<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">Small Batch Books<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">493 S. Pleasant St.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">Amherst, MA 01002<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt">413.230.3943<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p><div><p class="MsoNormal"><u></u> <u></u></p></div></div></div>
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