{"id":"INC-twilio-7h6p6ss3xrnm","kind":"incident","aliases":[],"related":[],"title":"Twilio: Email Delivery Delays to Some Inbox Providers","description":"We have identified the issue of delayed email delivery to Microsoft inbox providers for Email Inbox Providers. Due to a third-party provider dependency, messages sent to these inboxes are being deferred and queued for later delivery. There is no mail loss at this time. We will provide another update in 2 hours or as soon as more information becomes available.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Twilio","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["incident","ops","sms","twilio","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-12T19:42:49+00:00","first_seen_at":"2026-11-12T19:44:09+00:00","triaged_at":"2026-11-12T19:44:54+00:00","updated_at":"2026-11-12T21:00:32+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'2':71C '7h6p6ss3xrnm':12A 'anoth':68C 'avail':80C 'becom':79C 'defer':51C 'delay':4A,25C 'deliveri':3A,27C,56C 'depend':43C 'due':36C 'email':2A,26C,33C 'hour':72C 'identifi':21C 'inbox':7A,30C,34C,48C 'inc':10A 'inc-twilio-7h6p6ss3xrnm':9A 'incid':14B 'inform':78C 'issu':23C 'later':55C 'loss':61C 'mail':60C 'messag':44C 'microsoft':29C 'op':15B 'parti':41C 'provid':8A,31C,35C,42C,67C 'queu':53C 'sent':45C 'sms':16B 'soon':75C 'third':40C 'third-parti':39C 'time':64C 'twilio':1A,11A,13A,17B 'updat':69C 'vendor':18B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["twilio"],"ptokens":["twilio"],"labels":["incident","medium","ops","sms","twilio","vendor"],"campaign_type":null,"search_a":"'7h6p6ss3xrnm':12A 'delay':4A 'deliveri':3A 'email':2A 'inbox':7A 'inc':10A 'inc-twilio-7h6p6ss3xrnm':9A 'provid':8A 'twilio':1A,11A,13A","search_b":"'incid':14B 'op':15B 'sms':16B 'twilio':17B 'vendor':18B","search_c":"'2':71C 'anoth':68C 'avail':80C 'becom':79C 'defer':51C 'delay':25C 'deliveri':27C,56C 'depend':43C 'due':36C 'email':26C,33C 'hour':72C 'identifi':21C 'inbox':30C,34C,48C 'inform':78C 'issu':23C 'later':55C 'loss':61C 'mail':60C 'messag':44C 'microsoft':29C 'parti':41C 'provid':31C,35C,42C,67C 'queu':53C 'sent':45C 'soon':75C 'third':40C 'third-parti':39C 'time':64C 'updat':69C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-12T19:42:49+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:7h6p6ss3xrnm","url":"https://stspg.io/6f5v3h5q1mkr","severity":"medium","published_at":"2026-11-12T19:42:49+00:00","modified_at":"2026-11-12T20:59:01+00:00","first_seen_at":"2026-11-12T19:44:09+00:00","fetched_at":"2026-11-12T21:03:06+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}