<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=DE-CH link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span lang=en-CH style='font-size:12.0pt;color:#002060'>PS: In the maillog I find the error:<br>unreasonable virtual alias maps map nesting for </span><span lang=en-CH style='font-size:12.0pt;color:#002060'><a href="mailto:xxx@xxxxx.xx">xxx@xxxxx.xx</a></span><span lang=en-CH style='font-size:12.0pt;color:#002060'> </span><span lang=en-CH style='font-size:12.0pt;color:#002060'>— message not accepted, try again later<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;color:#002060'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='mso-fareast-language:DE-CH'>From:</span></b><span lang=EN-US style='mso-fareast-language:DE-CH'> f.kaegi@fairtalk.com <f.kaegi@fairtalk.com> <br><b>Sent:</b> Wednesday, 15 December 2021 11:30<br><b>To:</b> BlueOnyx General Mailing List <blueonyx@mail.blueonyx.it><br><b>Subject:</b> 451 4.6.0 Alias expansion error <o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=en-CH style='font-size:12.0pt;color:#002060'>Hi<br><br>Since a few days we occasionally are getting a “451 4.6.0 Alias expansion error” when sending mails to email aliases that before worked perfectly well. <br><br>Gmail for example writes: Delivery incomplete. There was a temporary problem delivering your message to <a href="mailto:xxx@xxxxx.xx">xxx@xxxxx.xx</a>. Gmail will retry for 47 more hours. You'll be notified if the delivery fails permanently.<br><br>What could be the reason?<br><br>Best wishes<br>Felix<br><br><o:p></o:p></span></p></div></body></html>