{"id":3995,"date":"2026-11-09T13:42:19","date_gmt":"2026-11-09T12:42:19","guid":{"rendered":"https:\/\/actus.cd-systems.fr\/?p=3995"},"modified":"2026-11-09T13:49:53","modified_gmt":"2026-11-09T12:49:53","slug":"erreurs-spf-sur-mails-envoyes-depuis-microsoft-365","status":"publish","type":"post","link":"https:\/\/actus.cd-systems.fr\/index.php\/2026\/11\/09\/erreurs-spf-sur-mails-envoyes-depuis-microsoft-365\/","title":{"rendered":"Erreurs SPF sur mails envoy\u00e9s depuis Microsoft 365"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Le message retourn\u00e9 par les destinataires Outlook\/Hotmail est :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>550 5.7.23 The message was rejected because of Sender Policy\nFramework violation\n\n550 5.7.1 Message rejected: Message lacks SPF\/DKIM\/DMARC\nAuth Records (AS9031519)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Il signifie que les serveurs de r\u00e9ception Outlook.com consid\u00e8rent que le message ne dispose pas des m\u00e9canismes d&rsquo;authentification attendus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trois m\u00e9canismes sont concern\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPF : autorise les serveurs IP \u00e0 envoyer des messages pour ton domaine.<\/li>\n\n\n\n<li>DKIM : permet de v\u00e9rifier la signature cryptographique du message.<\/li>\n\n\n\n<li>DMARC : v\u00e9rifie notamment la coh\u00e9rence entre le domaine visible dans l&rsquo;adresse exp\u00e9diteur et les domaines authentifi\u00e9s par SPF ou DKIM.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Un incident g\u00e9n\u00e9ralis\u00e9 depuis le 5 novembre 2026<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs signalement similaires, y compris sur les forums officiels Microsoft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voici les \u00e9l\u00e9ments les plus int\u00e9ressants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 novembre : plusieurs administrateurs Microsoft 365 signalent que leurs messages vers Hotmail et Outlook.com sont rejet\u00e9s, alors que SPF et DKIM sont correctement configur\u00e9s. Le fil Microsoft Q&amp;A comptabilise plus de 70 signalements similaires.<\/li>\n\n\n\n<li>8 novembre : le prestataire de messagerie Teneo publie une analyse de l&rsquo;erreur AS9031519. Il constate que certains domaines sans enregistrement DMARC sont d\u00e9sormais rejet\u00e9s, m\u00eame lorsque SPF et DKIM passent.<\/li>\n\n\n\n<li>9 novembre : Clubic publie \u00e9galement un article sur cet incident, \u00e9voquant des centaines de plaintes et des rejets intermittents, y compris pour des domaines dont les trois m\u00e9canismes semblent correctement configur\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Incident non officiellement confirm\u00e9 par Microsoft<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 ce jour, le 9 novembre, aucune trace de communication officielle de Microsoft reconnaissant un incident ou annon\u00e7ant un correctif<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le message retourn\u00e9 par les destinataires Outlook\/Hotmail est : Il signifie que les serveurs de r\u00e9ception Outlook.com consid\u00e8rent que le message ne dispose pas des m\u00e9canismes d&rsquo;authentification attendus. Trois m\u00e9canismes sont concern\u00e9s : Un incident g\u00e9n\u00e9ralis\u00e9 depuis le 5 novembre 2026 Plusieurs signalement similaires, y compris sur les forums officiels Microsoft. Voici les \u00e9l\u00e9ments les [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3996,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[5],"tags":[],"class_list":["post-3995","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-microsoft-office","entry","has-media"],"_links":{"self":[{"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/posts\/3995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/comments?post=3995"}],"version-history":[{"count":1,"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/posts\/3995\/revisions"}],"predecessor-version":[{"id":3997,"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/posts\/3995\/revisions\/3997"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/media\/3996"}],"wp:attachment":[{"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/media?parent=3995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/categories?post=3995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/actus.cd-systems.fr\/index.php\/wp-json\/wp\/v2\/tags?post=3995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}