{"rewrite":{"id":"r_022adc700527c11f3eef2b74","clusterId":"c_3125db8df49269872be2de1b","slug":"hermes-agent-email-gateway-requires-authentication-results-header","model":"deepseek-v4-flash","headline":"Hermes Agent Email Gateway Requires Authentication-Results Header","summary":"GIGAZINE tested connecting Hermes Agent to email via IMAP and SMTP. After adding an allowed sender, replies still did not arrive. Logs showed the error 'no Authentication-Results header.' The email account used, Sakura's Mailbox, added ARC-Authentication-Results instead, which Hermes Agent does not read for sender authentication.","whyItMatters":"The test shows that Hermes Agent's email integration depends on a specific email authentication header, which may cause setup issues with providers that omit it.","webCardHtml":"\u003cp\u003eHermes Agent\u0026#39;s Gateway supports many messaging services, including Telegram, Discord, Slack, and Email. GIGAZINE connected an email account to test whether they could receive scheduled job results without opening the desktop app.\u003c/p\u003e\u003cp\u003eAfter entering IMAP and SMTP settings and adding their address to Allowed users, no reply came. Checking the gateway logs revealed the cause: the received email lacked an Authentication-Results header. The provider, Sakura\u0026#39;s Mailbox, used ARC-Authentication-Results instead, which Hermes Agent does not reference. The authentication check failed silently.\u003c/p\u003e","blueskyPost":"Hermes Agent's email gateway needs an Authentication-Results header to accept senders. Sakura's Mailbox sends ARC instead, so replies never arrive until the header issue is fixed.","twitterPost":"Hermes Agent email gateway won't reply if the provider omits Authentication-Results. Sakura's Mailbox uses ARC, breaking sender verification. GIGAZINE logs show the error.","threadsPost":null,"newsletterBlurb":"GIGAZINE connected Hermes Agent to email but got no replies until they discovered the gateway requires an Authentication-Results header. Their provider used ARC instead, so authentication failed.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20260905-hermes-agent-mail/\",\"title\":\"Trying to receive execution results from the AI agent \\\"Hermes Agent,\\\" which grows with use, via email\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4754,"outputTokens":477,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1788538505,"createdAt":"2026-09-04T16:09:59.000Z","publishedAt":"2026-09-04T16:14:03.000Z","updatedAt":"2026-09-04T16:14:03.000Z"},"cluster":{"id":"c_3125db8df49269872be2de1b","canonicalTitle":"使い込むほど成長するAIエージェント「Hermes Agent」の実行結果をメールで受け取ってみた","representativeArticleId":"a_2d9ea109d3bacc14c31c970f","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Hermes Agent\"],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-04T15:25:00.000Z","lastSeenAt":"2026-09-04T15:25:00.000Z","updatedAt":"2026-09-04T16:14:04.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20260905-hermes-agent-mail/","title":"使い込むほど成長するAIエージェント「Hermes Agent」の実行結果をメールで受け取ってみた"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Hermes Agent"],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}