{"uid":"cap_PrU77RGWul1pgNSw1Y3Yc","slug":"mcp-security-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-3d4abdf5","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://mcp-security.agentdiet.dev/v1/email)","url":"https://mcp-security.agentdiet.dev/v1/email?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aPCVhdpsZVHEsdgoniRew","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — specifically whether it has valid MX records, isn't from a disposable provider, and passes SPF and DMARC checks?","exampleUseCases":[{"title":"Pre-send email list scrubbing","prompt":"Before I send out my newsletter, can you verify that user@tempmail.io is a real deliverable email and not a burner or disposable address — and check if it has proper MX and SPF records?"},{"title":"Lead quality check before CRM entry","prompt":"I just got a new lead with the email contact@somebusiness.com — can you confirm it's a legitimate deliverable address with valid MX records, not a role-based alias, and that the domain has DMARC configured?"},{"title":"Sign-up fraud detection","prompt":"Someone just registered with the email no-reply@fakeburner.net — can you run a full deliverability and disposable-provider check on it so I know if I should block the signup?"}],"resultDescription":"Returns a structured object indicating: email syntax validity, whether the domain is a known disposable/burner provider, whether the account is a role-based address (e.g. info@, admin@), live DNS MX record presence and values, SPF record existence and content, and DMARC record presence and policy — giving a full deliverability risk profile.","failureModes":["Malformed or missing email field returns a validation error","DNS lookup timeouts may cause MX/SPF/DMARC checks to be inconclusive","Newly registered or very obscure domains may not resolve, yielding no MX records","Disposable provider lists may lag behind newly created throwaway services","Rate limits or payment failures (HTTP 402) will block the request"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-signal email validation that goes beyond simple syntax checking — specifically when you need live DNS MX record confirmation, SPF/DMARC policy verification, and disposable/burner domain detection in a single call. Prefer it for lead enrichment pipelines, signup fraud prevention, and pre-send list hygiene where deliverability and legitimacy both matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:32:25.736Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-87cfc270"}