Bonjour, Il semble qu'un de mes mails a été bloqué par Gmail (ou par postmaster@iis.sinica.edu.tw ??) C'est assez ennuyant je pense, surtout si c'est Gmail ? bonne journée, Étienne André Université Sorbonne Paris Nord https://lipn.univ-paris13.fr/~andre/ -------- Message transféré -------- Sujet : Delivery Status Notification (Failure) Date : Sun, 2 Jul 2023 17:37:37 +0800 De : postmaster@iis.sinica.edu.tw <postmaster@iis.sinica.edu.tw> Pour : etienne.andre@lipn.univ-paris13.fr This email was not sent successfully to following recipients. Please contact system administrator for further assistance.The details are as follows Delivery of this email failed at Sun, 2 Jul 2023 17:37:37 +0800 Subject Fwd: ATVA 2023 notification for paper 84 Permanent error recipient(s) <gulu0724@gmail.com> Remote MTA gmail-smtp-in.l.google.com [64.233.189.27] Response from remote MTA 550 <gulu0724@gmail.com>...5.7.26 This mail is unauthenticated; which poses a security risk to the 5.7.26 sender and Gmail users; and has been blocked. The sender must 5.7.26 authenticate with at least one of SPF or DKIM. For this message; 5.7.26 DKIM checks did not pass and SPF check for [lipn.univ-paris13.fr] 5.7.26 did not pass with ip: [140.109.20.25]. The sender should visit 5.7.26 https://support.google.com/mail/answer/81126#authentication for 5.7.26 instructions on setting up authentication. p11-20020a170902c70b00b001b4fc117bf0si13528315plp.116 - gsmtp 5.7.26 sender and Gmail users; and has been blocked. The sender must 5.7.26 authenticate with at least one of SPF or DKIM. For this message; 5.7.26 DKIM checks did not pass and SPF check for [lipn.univ-paris13.fr] 5.7.26 did not pass with ip: [140.109.20.25]. The sender should visit 5.7.26 https://support.google.com/mail/answer/81126#authentication for 5.7.26 instructions on setting up authentication. p11-20020a170902c70b00b001b4fc117bf0si13528315plp.116 - gsmtp Last-Attempt-Date: Sun, 2 Jul 2023 17:37:37 +0800