Guides to giving an AI agent its own email inbox: connection methods, scoped credentials, approvals, idempotent sends and test mode.https://emailforagents.aien-ushttps://emailforagents.ai/blog/accepted-vs-delivered-emailhttps://emailforagents.ai/blog/accepted-vs-delivered-emailQueued, accepted, delivered, bounced, unknown — what each email status actually proves, what it does not, and the correct next action for every one of them.Mon, 21 Sep 2026 00:00:00 GMTdeliverabilityreliabilityeventshttps://emailforagents.ai/blog/agent-email-api-loophttps://emailforagents.ai/blog/agent-email-api-loopBuild the full two-way loop over REST: scoped keys, idempotent sends, the states a message moves through, inbound events, and replies that thread correctly.Mon, 21 Sep 2026 00:00:00 GMTapireliabilitywebhookshttps://emailforagents.ai/blog/agent-email-permissions-scopeshttps://emailforagents.ai/blog/agent-email-permissions-scopesGive an agent the smallest useful email permission: project and inbox scoping, one-time secrets, draft-only grants, rotation, and revocation you can verify.Mon, 21 Sep 2026 00:00:00 GMTpermissionssecurityapimcphttps://emailforagents.ai/blog/agent-email-subdomain-dnshttps://emailforagents.ai/blog/agent-email-subdomain-dnsRun agent mail on agents.yourcompany.com: inspect existing MX, publish ownership, SPF, DKIM and receiving records, and leave employee routing untouched.Mon, 21 Sep 2026 00:00:00 GMTdomainsdnsinboxessetuphttps://emailforagents.ai/blog/agent-inbox-support-triagehttps://emailforagents.ai/blog/agent-inbox-support-triageA working pattern for support triage: one dedicated address, read and draft permission, approval on anything money-related, and events that prove it worked.Mon, 21 Sep 2026 00:00:00 GMTuse-casesinboxesapprovalssupporthttps://emailforagents.ai/blog/ai-agent-inbox-vs-gmailhttps://emailforagents.ai/blog/ai-agent-inbox-vs-gmailGiving an agent its own inbox versus wiring it into an existing Gmail or Microsoft 365 mailbox: identity, blast radius, OAuth scope and revocation.Mon, 21 Sep 2026 00:00:00 GMTinboxespermissionsfoundationshttps://emailforagents.ai/blog/email-for-ai-agentshttps://emailforagents.ai/blog/email-for-ai-agentsWhat an email inbox for an AI agent is, how mail arrives and leaves, which permissions matter, and when an agent needs its own address instead of yours.Mon, 21 Sep 2026 00:00:00 GMTfoundationsinboxespermissionshttps://emailforagents.ai/blog/email-threading-for-agentshttps://emailforagents.ai/blog/email-threading-for-agentsHow Message-ID, In-Reply-To and References decide threading, why subject matching breaks, and how to keep an agent reply in the right conversation.Mon, 21 Sep 2026 00:00:00 GMTapireliabilityfoundationshttps://emailforagents.ai/blog/email-verification-codes-for-agentshttps://emailforagents.ai/blog/email-verification-codes-for-agentsAgents that create accounts need a real mailbox for verification email. How to provision one, read the code safely, and where this becomes unacceptable use.Mon, 21 Sep 2026 00:00:00 GMTuse-casesinboxespermissionshttps://emailforagents.ai/blog/email-webhook-duplicate-eventshttps://emailforagents.ai/blog/email-webhook-duplicate-eventsVerify the signature against the raw body, deduplicate by event ID, enqueue durably, and keep a webhook retry from re-sending the email that produced it.Mon, 21 Sep 2026 00:00:00 GMTwebhookseventsreliabilityidempotencyhttps://emailforagents.ai/blog/give-ai-agent-email-addresshttps://emailforagents.ai/blog/give-ai-agent-email-addressCreate a dedicated inbox, choose read, draft or send permission, connect over MCP or a scoped key, and prove a real round trip before granting send access.Mon, 21 Sep 2026 00:00:00 GMTsetuppermissionsmcpapihttps://emailforagents.ai/blog/human-approval-agent-emailhttps://emailforagents.ai/blog/human-approval-agent-emailWhen to require review, why approval binds to one exact draft version, how recipient rules and daily caps work, and what editing a draft does to its approval.Mon, 21 Sep 2026 00:00:00 GMTcontrolsapprovalspermissionshttps://emailforagents.ai/blog/invoice-intake-agent-inboxhttps://emailforagents.ai/blog/invoice-intake-agent-inboxReceive invoices at a dedicated address, scan attachments before the agent acts, draft the confirmation, and require approval before anything is sent back.Mon, 21 Sep 2026 00:00:00 GMTuse-casesattachmentsapprovalsinboxeshttps://emailforagents.ai/blog/mcp-email-serverhttps://emailforagents.ai/blog/mcp-email-serverHow a remote MCP email server works, what the consent screen must show, how to scope a grant to one inbox, and how to verify it before allowing sends.Mon, 21 Sep 2026 00:00:00 GMTmcpsetuppermissionshttps://emailforagents.ai/blog/prompt-injection-email-agentshttps://emailforagents.ai/blog/prompt-injection-email-agentsAny stranger can email your agent. What an email-borne injection looks like, why message text must never grant permission, and the controls that limit damage.Mon, 21 Sep 2026 00:00:00 GMTsecuritypermissionsapprovalshttps://emailforagents.ai/blog/test-agent-email-without-sendinghttps://emailforagents.ai/blog/test-agent-email-without-sendingUse non-routable test inboxes to simulate inbound mail, exercise drafts, approvals and webhooks, and verify agent behavior before a live message goes out.Mon, 21 Sep 2026 00:00:00 GMTtestingapiwebhooksreliabilityhttps://emailforagents.ai/blog/agent-email-mcp-or-apihttps://emailforagents.ai/blog/agent-email-mcp-or-apiRemote MCP over OAuth or a project-scoped REST key: what each can and cannot do, who authorises it, how revocation differs, and why teams use both.Sun, 20 Sep 2026 00:00:00 GMTmcpapipermissionssetuphttps://emailforagents.ai/blog/retrying-agent-email-safelyhttps://emailforagents.ai/blog/retrying-agent-email-safelyHow send idempotency works: canonical payload hashing, the 30-day replay window, conflict versus expiry, and why retrying an unknown outcome is unsafe.Sun, 20 Sep 2026 00:00:00 GMTreliabilityapiwebhooks