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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Your problem might be due to Microsofts new security policy : They’re progressively turning off Basic Authentication protocols, wich includes IMAP, see joined message.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Luckily, SMTP will be still available.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">We’re using SAML authentication for our Office 365, it still works.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Best regards, <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:105%;background:white">
<b><span style="font-size:9.5pt;line-height:105%;font-family:"Verdana",sans-serif;color:#4F758B">Marita HILLENBRAND</span></b><span style="font-family:"Verdana",sans-serif;color:#4F758B"><br>
</span><span style="font-size:8.5pt;line-height:105%;font-family:"Verdana",sans-serif;color:#4F758B">Service Informatique</span><span style="font-family:"Verdana",sans-serif;color:#4F758B"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:105%;background:white">
<b><span style="font-size:7.5pt;line-height:105%;font-family:"Verdana",sans-serif;color:#4F758B">Centre Administratif et Technique</span></b><span style="font-size:7.5pt;line-height:105%;font-family:"Verdana",sans-serif;color:#4F758B"><br>
130, avenue Charles de Gaulle - 91230 Montgeron<br>
Tél : 01 70 58 93 40 Port : 06 24 04 43 58<br>
<a href="https://www.montgeron.fr/"><span style="color:#0563C1">www.montgeron.fr</span></a><br>
</span><span style="font-family:"Verdana",sans-serif;color:#4F758B"><br>
</span><span style="font-size:7.5pt;line-height:105%;font-family:"Verdana",sans-serif;color:#4F758B"><img border="0" width="128" height="79" style="width:1.3333in;height:.8229in" id="Image_x0020_5" src="cid:image001.jpg@01D891EA.A9E8CA10" alt="cid:image001.jpg@01D84DAF.08804830"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:8.0pt;line-height:105%"><i><span style="font-size:7.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#4F758B">Participez, vous aussi, à la protection de l'environnement en n'imprimant ce courriel que si nécessaire.</span></i><i><span style="font-size:7.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#3B5868"><br>
</span></i><i><span style="font-size:7.0pt;line-height:105%;font-family:"Verdana",sans-serif;color:#4F758B">Le présent courriel peut contenir des renseignements confidentiels et ne s’adresse qu’au(x) destinataire(s) indiqué(s) ci-dessus. Si ce courriel vous
est parvenu par erreur, veuillez le supprimer et nous en aviser aussitôt. Merci.</span></i><span style="font-size:12.0pt;line-height:105%;font-family:"Times New Roman",serif;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>De :</b> ZendTo <zendto-bounces@zend.to> <b>De la part de</b> arnaud Chevalier via ZendTo<br>
<b>Envoyé :</b> mercredi 6 juillet 2022 18:52<br>
<b>À :</b> zendto@zend.to<br>
<b>Cc :</b> arnaud Chevalier <arnaud_chevalier@hotmail.fr><br>
<b>Objet :</b> Re: [ZendTo] SMTP authentication on Exchange Online suddenly not working<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I did a mistake on the issue description: It's the IMAP authentication that not working anymore, you can see my configuration below:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">On exchange online side, I see SMTP authentication sucessfull from ZendTo, but no log about IMAP authentication from ZendTo (no sucess nor fail, nothing). It's like ZendTo is not even trying to
loggin through IMAP.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">On front side (try to log to the dashboard) I see a message telling me that the username or the password is not correct:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><img border="0" width="457" height="165" style="width:4.7604in;height:1.7187in" id="_x0000_i1026" src="cid:image007.png@01D891EA.FF9884F0"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Thank you very much.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Arnaud<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">De :</span></b><span style="color:black"> ZendTo <<a href="mailto:zendto-bounces@zend.to">zendto-bounces@zend.to</a>> de la part de arnaud Chevalier via ZendTo <<a href="mailto:zendto@zend.to">zendto@zend.to</a>><br>
<b>Envoyé :</b> mercredi 6 juillet 2022 18:08<br>
<b>À :</b> <a href="mailto:zendto@zend.to">zendto@zend.to</a> <<a href="mailto:zendto@zend.to">zendto@zend.to</a>><br>
<b>Cc :</b> arnaud Chevalier <<a href="mailto:arnaud_chevalier@hotmail.fr">arnaud_chevalier@hotmail.fr</a>><br>
<b>Objet :</b> [ZendTo] SMTP authentication on Exchange Online suddenly not working</span>
<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Dear all,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I hope you are fine.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I have a sudden issue on my ZendTo (v6.11-2), I can't connect anymore through the smtp authentication on Exhange Online. (smtp.office365.com / port 587 / tls on)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">But the account used to send daily reports email, can connect on the smtp of exchange online and send emails... So the smtp authentiction obviously working fine...<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">MFA is not activated on the account.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">There have been no change on my ZendTo install or on the OS.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Do you have an idea?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Thank you very much.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Arnaud<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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