<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=5"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="preload" href="/_next/static/media/e4af272ccee01ff0-s.p.woff2" as="font" crossorigin="" type="font/woff2"/><link rel="preload" as="image" imagesrcset="/_next/image?url=%2Ffavicon-32x32.png&w=32&q=75 1x, /_next/image?url=%2Ffavicon-32x32.png&w=64&q=75 2x" fetchpriority="high"/><link rel="stylesheet" href="/_next/static/css/5be453a6d4ec2f3f.css" data-precedence="next"/><link rel="preload" as="script" fetchpriority="low" href="/_next/static/chunks/webpack-b73a3c5f96c6cfe3.js"/><script src="/_next/static/chunks/fd9d1056-04aed536ad36d283.js" async=""></script><script src="/_next/static/chunks/2117-c9dda97779f3e0d6.js" async=""></script><script src="/_next/static/chunks/main-app-aad732b1a37b08ab.js" async=""></script><script src="/_next/static/chunks/2972-c016d6a36ce9c988.js" async=""></script><script src="/_next/static/chunks/7259-7a551efc7e57b46b.js" async=""></script><script src="/_next/static/chunks/7239-5f39d332d7693ce0.js" async=""></script><script src="/_next/static/chunks/app/page-9b9440805ccd77d2.js" async=""></script><script src="/_next/static/chunks/app/layout-32b48278b57b3271.js" async=""></script><link rel="preload" href="https://www.googletagmanager.com/gtag/js?id=G-C55W805RM1" as="script"/><meta http-equiv="x-ua-compatible" content="ie=edge"/><title>Sugesto - Professional Email Validation & SEO Tools</title><meta name="description" content="Validate emails with syntax, DNS, MX, and SMTP checks. Bulk email validation, sitemap tools, SPF generator, and blacklist checker. Fast, accurate, and reliable."/><meta name="author" content="Sugesto"/><meta name="keywords" content="email validation,email checker,SMTP verification,bulk email validator,email verifier,DNS lookup,MX records"/><meta name="creator" content="Sugesto"/><meta name="publisher" content="Sugesto"/><meta name="robots" content="index, follow"/><meta name="googlebot" content="index, follow, max-video-preview:-1, max-image-preview:large, max-snippet:-1"/><link rel="canonical" href="https://sugesto.xyz"/><meta name="format-detection" content="telephone=no, address=no, email=no"/><meta property="og:title" content="Sugesto - Professional Email Validation & SEO Tools"/><meta property="og:description" content="Validate emails with syntax, DNS, MX, and SMTP checks. Bulk email validation, sitemap tools, SPF generator, and blacklist checker."/><meta property="og:url" content="https://sugesto.xyz"/><meta property="og:type" content="website"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:title" content="Sugesto - Professional Email Validation & SEO Tools"/><meta name="twitter:description" content="Validate emails with syntax, DNS, MX, and SMTP checks."/><meta name="next-size-adjust"/><script src="/_next/static/chunks/polyfills-42372ed130431b0a.js" nomodule=""></script></head><body class="__className_f367f3"><noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-5R55G5B8" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript><nav class="fixed top-0 w-full z-50 transition-all duration-300 bg-transparent"><div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8"><div class="flex justify-between items-center h-16"><a class="group" href="/"><div class="flex items-center space-x-2"><div 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space-x-2 bg-indigo-100 text-indigo-700 px-3 sm:px-4 py-1.5 sm:py-2 rounded-full mb-6 sm:mb-8" style="opacity:0;transform:scale(0.9)"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-check w-3 h-3 sm:w-4 sm:h-4"><path d="M20 6 9 17l-5-5"></path></svg><span class="text-xs sm:text-sm font-medium">4 Validation Checks Included</span></div><h1 class="text-3xl sm:text-4xl md:text-5xl lg:text-6xl xl:text-7xl font-bold mb-4 sm:mb-6 leading-tight px-2" style="opacity:0;transform:translateY(20px)"><span class="bg-gradient-to-r from-indigo-600 to-purple-600 bg-clip-text text-transparent">Validate Emails</span><br/><span class="text-gray-900">Instantly & Accurately</span></h1><p class="text-base sm:text-lg md:text-xl text-gray-600 mb-8 sm:mb-12 max-w-3xl mx-auto leading-relaxed px-4" style="opacity:0;transform:translateY(20px)">Verify email syntax, DNS records, SMTP validity, and detect disposable addresses with our powerful email validation service. Get instant results.</p><div class="mb-8 sm:mb-12 flex flex-col sm:flex-row gap-3 sm:gap-4 justify-center px-4" style="opacity:0;transform:translateY(20px)"><a class="inline-flex items-center justify-center px-6 sm:px-8 py-3 sm:py-4 text-base sm:text-lg font-semibold text-white bg-gradient-to-r from-indigo-600 to-purple-600 rounded-lg hover:from-indigo-700 hover:to-purple-700 transition-all duration-200 shadow-lg hover:shadow-xl transform hover:-translate-y-0.5" href="/tools/email-checker"><span class="hidden sm:inline">Check Email Now - Try Free</span><span class="sm:hidden">Try Free Now</span><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right ml-2 w-4 h-4 sm:w-5 sm:h-5"><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a><a class="inline-flex items-center justify-center px-6 sm:px-8 py-3 sm:py-4 text-base sm:text-lg font-semibold text-indigo-600 bg-white rounded-lg border-2 border-indigo-200 hover:border-indigo-300 hover:bg-indigo-50 transition-all duration-200" href="/tools">View All Tools</a></div><div class="flex flex-wrap justify-center gap-3 sm:gap-6 text-xs sm:text-sm text-gray-600 px-4" style="opacity:0"><div class="flex items-center space-x-1.5 sm:space-x-2" style="opacity:0;transform:translateY(10px)"><div class="w-6 h-6 sm:w-8 sm:h-8 bg-green-100 rounded-full flex items-center justify-center flex-shrink-0"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-check w-3 h-3 sm:w-4 sm:h-4 text-green-600"><path d="M20 6 9 17l-5-5"></path></svg></div><span class="font-medium">Syntax Validation</span></div><div class="flex items-center space-x-1.5 sm:space-x-2" style="opacity:0;transform:translateY(10px)"><div class="w-6 h-6 sm:w-8 sm:h-8 bg-green-100 rounded-full flex items-center justify-center flex-shrink-0"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-mail w-3 h-3 sm:w-4 sm:h-4 text-green-600"><rect width="20" height="16" x="2" y="4" rx="2"></rect><path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7"></path></svg></div><span class="font-medium">DNS Verification</span></div><div class="flex items-center space-x-1.5 sm:space-x-2" style="opacity:0;transform:translateY(10px)"><div class="w-6 h-6 sm:w-8 sm:h-8 bg-green-100 rounded-full flex items-center justify-center flex-shrink-0"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-zap w-3 h-3 sm:w-4 sm:h-4 text-green-600"><polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"></polygon></svg></div><span class="font-medium">SMTP Check</span></div><div class="flex items-center space-x-1.5 sm:space-x-2" style="opacity:0;transform:translateY(10px)"><div class="w-6 h-6 sm:w-8 sm:h-8 bg-green-100 rounded-full flex items-center justify-center flex-shrink-0"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-shield w-3 h-3 sm:w-4 sm:h-4 text-green-600"><path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10"></path></svg></div><span class="font-medium">Disposable Detection</span></div></div></div></div><div class="absolute bottom-8 left-1/2 transform -translate-x-1/2" style="opacity:0"><div class="w-6 h-10 border-2 border-gray-400 rounded-full flex justify-center"><div class="w-1.5 h-1.5 bg-gray-400 rounded-full mt-2"></div></div></div></section><section id="features" class="py-12 sm:py-16 md:py-20 bg-white"><div class="max-w-7xl mx-auto px-4 sm:px-6"><div class="text-center mb-10 sm:mb-12 md:mb-16" style="opacity:0;transform:translateY(20px)"><h2 class="text-3xl sm:text-4xl md:text-5xl font-bold text-gray-900 mb-3 sm:mb-4 px-4">Powerful Email Validation</h2><p class="text-base sm:text-lg md:text-xl text-gray-600 max-w-2xl mx-auto px-4">Comprehensive checks to ensure email quality and deliverability</p></div><div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4 sm:gap-6 md:gap-8" style="opacity:0"><div style="opacity:0;transform:translateY(20px)"><div class="bg-white rounded-xl shadow-sm border border-gray-200 p-4 sm:p-6 hover:shadow-md transition-shadow duration-200 h-full"><div class="text-center p-4 sm:p-6"><div class="w-12 h-12 sm:w-14 sm:h-14 md:w-16 md:h-16 mx-auto mb-4 sm:mb-6 bg-gradient-to-br from-green-400 to-emerald-500 rounded-xl sm:rounded-2xl flex items-center justify-center transform hover:scale-110 transition-transform"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-check w-6 h-6 sm:w-7 sm:h-7 md:w-8 md:h-8 text-white"><path d="M20 6 9 17l-5-5"></path></svg></div><h3 class="text-lg sm:text-xl font-bold text-gray-900 mb-2 sm:mb-3">Syntax Validation</h3><p class="text-sm sm:text-base text-gray-600 leading-relaxed">Instantly verify email format and structure compliance with RFC standards.</p></div></div></div><div style="opacity:0;transform:translateY(20px)"><div class="bg-white rounded-xl shadow-sm border border-gray-200 p-4 sm:p-6 hover:shadow-md transition-shadow duration-200 h-full"><div class="text-center p-4 sm:p-6"><div class="w-12 h-12 sm:w-14 sm:h-14 md:w-16 md:h-16 mx-auto mb-4 sm:mb-6 bg-gradient-to-br from-blue-400 to-cyan-500 rounded-xl sm:rounded-2xl flex items-center justify-center transform hover:scale-110 transition-transform"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-globe w-6 h-6 sm:w-7 sm:h-7 md:w-8 md:h-8 text-white"><circle cx="12" cy="12" r="10"></circle><path d="M12 2a14.5 14.5 0 0 0 0 20 14.5 14.5 0 0 0 0-20"></path><path d="M2 12h20"></path></svg></div><h3 class="text-lg sm:text-xl font-bold text-gray-900 mb-2 sm:mb-3">DNS Verification</h3><p class="text-sm sm:text-base text-gray-600 leading-relaxed">Check domain existence and MX records to ensure the domain can receive emails.</p></div></div></div><div style="opacity:0;transform:translateY(20px)"><div class="bg-white rounded-xl shadow-sm border border-gray-200 p-4 sm:p-6 hover:shadow-md transition-shadow duration-200 h-full"><div class="text-center p-4 sm:p-6"><div class="w-12 h-12 sm:w-14 sm:h-14 md:w-16 md:h-16 mx-auto mb-4 sm:mb-6 bg-gradient-to-br from-purple-400 to-pink-500 rounded-xl sm:rounded-2xl flex items-center justify-center transform hover:scale-110 transition-transform"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-mail w-6 h-6 sm:w-7 sm:h-7 md:w-8 md:h-8 text-white"><rect width="20" height="16" x="2" y="4" rx="2"></rect><path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7"></path></svg></div><h3 class="text-lg sm:text-xl font-bold text-gray-900 mb-2 sm:mb-3">SMTP Testing</h3><p class="text-sm sm:text-base text-gray-600 leading-relaxed">Verify if the mailbox actually exists by connecting to the mail server.</p></div></div></div><div style="opacity:0;transform:translateY(20px)"><div class="bg-white rounded-xl shadow-sm border border-gray-200 p-4 sm:p-6 hover:shadow-md transition-shadow duration-200 h-full"><div class="text-center p-4 sm:p-6"><div class="w-12 h-12 sm:w-14 sm:h-14 md:w-16 md:h-16 mx-auto mb-4 sm:mb-6 bg-gradient-to-br from-orange-400 to-red-500 rounded-xl sm:rounded-2xl flex items-center justify-center transform hover:scale-110 transition-transform"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-shield w-6 h-6 sm:w-7 sm:h-7 md:w-8 md:h-8 text-white"><path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10"></path></svg></div><h3 class="text-lg sm:text-xl font-bold text-gray-900 mb-2 sm:mb-3">Disposable Detection</h3><p class="text-sm sm:text-base text-gray-600 leading-relaxed">Identify temporary and disposable email addresses to prevent spam.</p></div></div></div></div></div></section><section class="py-20 bg-gradient-to-br from-gray-50 to-white"><div class="max-w-7xl mx-auto px-4"><div class="text-center mb-16" style="opacity:0;transform:translateY(20px)"><h2 class="text-4xl md:text-5xl font-bold text-gray-900 mb-6">Ready to Get Started?</h2><p class="text-xl text-gray-600 max-w-2xl mx-auto mb-8">Join thousands of users validating emails with Sugesto. Start for free today.</p><div class="flex flex-col sm:flex-row gap-4 justify-center items-center"><a class="inline-flex items-center justify-center rounded-lg font-medium transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed bg-indigo-600 text-white hover:bg-indigo-700 focus:ring-indigo-500 shadow-sm hover:shadow-md px-6 py-3 text-base sm:text-lg min-h-[48px]" href="https://app.sugesto.xyz/auth/signup">Start Free Trial<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-arrow-right ml-2 w-5 h-5"><path d="M5 12h14"></path><path d="m12 5 7 7-7 7"></path></svg></a><a class="inline-flex items-center justify-center rounded-lg font-medium transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed border-2 border-indigo-600 text-indigo-600 hover:bg-indigo-50 focus:ring-indigo-500 px-6 py-3 text-base sm:text-lg min-h-[48px]" href="/pricing">View Pricing</a></div></div><div style="opacity:0;transform:translateY(20px)"><h3 class="text-2xl font-bold text-gray-900 text-center mb-8">Try Our Tools</h3><div class="grid grid-cols-1 md:grid-cols-3 gap-6"><div style="opacity:0;transform:translateY(20px)"><a href="/tools/email-checker"><div class="bg-white rounded-xl shadow-sm border border-gray-200 p-4 sm:p-6 hover:shadow-md transition-shadow duration-200 h-full group cursor-pointer"><div class="text-center"><div class="w-14 h-14 mx-auto mb-4 bg-gradient-to-br from-indigo-500 to-purple-500 rounded-xl flex items-center justify-center transform group-hover:scale-110 transition-transform"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-mail w-7 h-7 text-white"><rect width="20" height="16" x="2" y="4" rx="2"></rect><path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7"></path></svg></div><h4 class="text-lg font-bold text-gray-900 mb-2 group-hover:text-indigo-600 transition-colors">Email Validator</h4><p class="text-gray-600 text-sm">Verify single email addresses instantly</p></div></div></a></div><div style="opacity:0;transform:translateY(20px)"><a href="/tools/bulk-checker"><div class="bg-white rounded-xl shadow-sm border border-gray-200 p-4 sm:p-6 hover:shadow-md transition-shadow duration-200 h-full group cursor-pointer"><div class="text-center"><div class="w-14 h-14 mx-auto mb-4 bg-gradient-to-br from-blue-500 to-cyan-500 rounded-xl flex items-center justify-center transform group-hover:scale-110 transition-transform"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewbox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-zap w-7 h-7 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