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The Mailtrix — Free Email Verification & Bulk Email Checker
Verify email addresses in bulk with 5-layer SMTP checks. Check email address validity, clean your lists, reduce bounce rates, and protect your sender reputat...
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87 % |
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Free Email Verification Tool - MailTruster
Verify any email address for free. Check syntax, MX records, disposable domains and SMTP deliverability in real-time. No signup required.
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87 % |
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MailKit API - Simple Email Verification
Verify email addresses instantly. Check format, MX records, disposable domains, and more with a single API call.
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87 % |
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MailTidy 3 — Email Verification, Engineered
Self-hosted email verification with a live, public API. 18× faster than the original. One-time payment. Try it on this page in real time.
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87 % |
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Mailaki — Email Delivery Infrastructure for Developers
High-performance transactional and bulk email API built in Rust. 100k+ emails/minute, first-class deliverability, webhooks, and a dead-simple REST API.
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86 % |
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Avelto · The email API for developers who want it to just work
Send transactional email with one request. Verified domains, test mode and a sandbox, signed webhooks and a full event log. Free for 5,000 emails a month.
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86 % |
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rate.email
Check any email address before it becomes a bad signup. Get a verdict, a 0-100 score, and the exact reasons behind it in one API call.
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84 % |
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Email Verification & Deliverability Platform | Easy Email Verification
Verify email addresses one by one, in bulk (CSV/TXT) or via API: syntax, MX, SMTP mailbox, catch-all and disposable checks. 50 free verifications per day.
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84 % |
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AI Email Service — Free Receive-Only Email for AI Agents
Free email addresses for AI agents. Receive verification codes, sign up for services, and read incoming mail via API. All features free. No sending.
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84 % |
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Relayly — The email platform that lands in the inbox
Send transactional and marketing email through one fast API — with built-in address validation, automated IP warmup, and real-time signed webhooks. Engineere...
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84 % |
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MailXEngine | Bulk Email Verifier & SMTP Validation Service
Verify email addresses fast with MailXEngine. Bulk email validation, SMTP checks & list cleaning to improve deliverability and reduce bounces.
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83 % |
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Email Validation & Authentication | E8y
Validate email addresses in real time or in bulk with clear statuses, reasons, and classifications.
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82 % |
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zaSend — Transactional Email API & SMTP for Developers
zaSend is a transactional email API and SMTP service for developers. Send email from your own domain with SPF, DKIM, DMARC, webhooks, logs, and free starter...
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82 % |
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Real-Time Email Deliverability Check API | EmailCheckPro
Check in real time whether an email address can still receive mail: one request, one JSON response, answered in about a second. Any provider, any domain.
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82 % |
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EmailKit - Email Verification Platform
Multi-tenant email verification SaaS platform with fair queuing, credit accounting, and resilience.
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82 % |
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VerifNow — Validate every field your billing and onboarding forms depend on
VAT numbers checked against VIES, plus IBANs, national IDs, emails and phone numbers — one API key, one quota, one bill. And when a member state's registry g...
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82 % |
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RiskUnified: Unified Risk Intelligence for Modern Platforms
Email, phone and IP risk intelligence APIs. Detect fraud signals like disposable emails, VoIP numbers and risky networks with a single request.
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82 % |
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AssertMail — Email testing for integration tests
Create an ephemeral inbox, trigger your send flow and long-poll for the result in just three API calls.
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82 % |
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Sends Verified — Email verification that keeps you out of the bounce folder
Check every address on your list against eight signals — syntax, domain, mail server, mailbox, catch-all, disposable, role and spam traps — and see plainly w...
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82 % |
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Gmaily.net — Temporary Email API Service | بريد مؤقت كخدمة
Create disposable temporary emails and receive verification codes via simple REST API. Perfect for developers, automation, and testing. 100% free temporary e...
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81 % |
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