EmailVerify - A Product by TargetNXT

Free email verifier & checker to validate email addresses instantly. Reduce bounces and verify emails in real time.

Free email checker and email verification with 99.9% accuracy. Reduce bounces, protect sender reputation. 100 free email verification credits daily.

It is a free and open-source mail transfer agent that routes and delivers electronic mail. It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Now at Google, Wietse continues to support it.

It is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. It is an excellent choice for both small and large installations. It's fast, simple to set up, requires no special administration and it uses very little memory.

It adds scheduled sending and the easiest, most integrated email reminders to Gmail, helping you reach Inbox Zero.

Kickbox ensures you only send email to real users and helps you separate the low-quality addresses from high-value contacts. Protect your reputation, increase open rates, and save money with Kickbox.

250ok is an email deliverability tools company that produces a Software‐as‐a‐Service (“SaaS”) platform to monitor and measure the deliverability of email networks. These networks consist of companies sending various forms of messages including marketing, transactional, share, and others from various platforms.

Using only real-time verification, NeverBounce offers the highest accuracy. No historical data used. Under a penny per email. We’ll beat any major competitor’s pricing.

It allows you to upload and validate lists of email addresses quickly and in a secure way. All you have to do is upload an email list to it's web interface. It also offers API.

Stay out of trouble. Validate your email addresses before you send. BriteVerify can reduce your bounce rate by 98% and help your messages get delivered. So stop bouncing and start converting your prospects into customers with BriteVerify True Email Verification™.

It helps build lasting business relationships, right from your inbox. A sales engagement platform designed for sales professionals and account managers.

It is a cloud-based email filtering service that helps protect your organization against unknown malware and viruses by providing robust zero-day protection, and includes features to safeguard your organization from harmful links in real time.

It removes invalid emails from your list to prevent email bounces from ruining your deliverability. It removes known email complainers and spam traps from your list. It appends missing data such as first and last name, location, gender or city, state/region, country when the registration IP is provided.

It is an email security gateway product. It is designed to detect and block a wide variety of email-borne threats, such as malware, spam and phishing attempts.

Proofy.io — bulk email cleaning service. With proofy you avoid bounces, catch-all, dead emails. You increase email deliverability, save your domain email, enhance open rate.

Is an AI-driven multichannel outreach platform that reaches prospects where they're most active while keeping every message personal, timely, and effective.

It is an all-in-one tool for email deliverability to make your Email Channel Reliable. It raises your sender reputation by interacting with real people in any language and helps you to hit the inbox of your prospect. Full automation.

Email list verify provides a 97% match rate and no false positives. You can verify emails within your application or website with our real-time API.

It is an email finder & validation tool that lets you find email addresses in seconds and connect with people that matter most to your business.

Pinpoint email issues before you hit "send". Secure your emails from malicious actors and ensure your email delivery to the inbox.

Normalize emails for uniqueness validation. This will convert the email to lowercase, remove dots (.), and plus signs followed by arbitrary strings (+foobar).

It is an email validation tool for busy businesses. It is fully automated, completely hands-off, this email verification tool does it all for you. Simply connect an email service provider, set some options, and that's it. From that point on it cleans the email lists automatically and keeps them protected from invalid email addresses.

Your transactional email should NOT trigger spam or marketing filters. Flute Mail plugs into your existing API provider to properly isolate segments, boost inbox rates, and safely store your transactional email data.

Sidemail is an all-in-one email delivery platform for startups that makes sending emails simple. It has everything for delivering and managing emails – email API, transactional emails, email marketing and automation, contact management, no-code email editor, email templates, subscribe forms, and more. Perfect for teams & developers that want reliable deliverability without the bloat. We're based in the EU and GDPR compliant.

MTN Email Verifier is a high-performance tool for ensuring that your email communications reach the right inboxes every time. With the rise of email marketing and automated outreach, maintaining a clean list of deliverable email addresses is crucial. MTN Email Verifier combines syntax validation, domain checks, and server-level SMTP verification to deliver a reliable, real-time solution.

It is an email validation platform that helps companies protect their reputation as a sender and avoid deliverability issues that make them lose sales.

It is a business anti spam gateway installed between your mail infrastructure and the Internet. It offers very good protection against viruses and eliminates up to 99% of spam.

It helps new brands and startups build an audience while they focus on building a product

It is an easy way to manage your outgoing emails from your apps. From creating and sending your emails to monitoring and managing their stats, you can do really useful things with it without worried about time zone disaverage.

It offers a simple REST-based JSON API enabling you to thoroughly check and verify email addresses right at the point of entry into your system.

An application to clean your subscription list from bounces, and enrich data about customers.

Email validation and verification tool providing highly accurate results. Validate, verify & clean your email list in real-time.

Email opens you up to threats. Protect yourself against malware and time-wasting spam. Get 14 anti-spam filters, 5 anti-virus engines plus malware scanning in one email security package

Mailwarm is an automated email warmup and deliverability platform designed to help businesses keep their emails out of spam folders and consistently reach the inbox.

A complete suite of deliverability tools & services makes it easy to get back in the inbox.

MailOdds is a privacy-first email validation API built for developers. Verify emails in under 300ms with SMTP verification, disposable detection, catch-all identification, and bulk validation. EU-hosted, GDPR compliant, 11 SDKs.

Postigo is an advanced email delivery and outreach platform designed to solve the technical challenges of cold email routing and sender reputation management. For growth engineers, marketing ops, and sales operations teams, maintaining high deliverability while scaling outbound campaigns often requires complex IP warming and constant monitoring of spam trap triggers. Postigo abstracts this complexity by providing out-of-the-box, fully warmed-up SMTP servers paired with an AI-driven content generation engine. By dynamically generating unique, personalized email payloads at scale, Postigo prevents campaigns from being flagged by algorithmic spam filters that detect repetitive content. With an emphasis on reliability and compliance, Postigo fits seamlessly into modern sales and marketing stacks, allowing teams to focus on campaign logic rather than underlying email infrastructure.

Fresh B2B data via API. Search, enrich & validate contacts, improve deliverability, and scale GTM playbooks.

AI-powered B2B data enrichment platform. Waterfall enrichment across 15+ providers delivers verified emails and company data with 98% accuracy.

Reduce bounce rates by up to 98% with our advanced email validation service. 99.9% accuracy guaranteed.

Don't stress over Amazon SES or get banned by SendGrid. Transmit gives you Postmark-level happiness with the power of AWS. Start sending in minutes.

Protect your domain with Dmarclytics. Run free DMARC, SPF, and DKIM checks to stop spoofing, enhance email authentication, and improve deliverability with powerful monitoring tools.

Detect temporary emails with explainable AI. 95%+ accuracy, <500ms API, governance tools, and appeals management. 10 free email checks. Start now.

Hypermail is a cold email marketing solution. We handle all aspects of email marketing. Whether it is a self service account or if need us to manage the whole campaign. We offer an easy to use platform, with an API, and built for resellers/whitlelabel. In addition, we stay up to date with latest technologies, and offer built AI features to improve your campaigns. Secondary offerings include, email list verification, Smart Relay which allows you to connect multiple esps via SMTP to send your campaigns, B2B data, and last SMS/MMS for political campaigns.

Use AI to find prospects that need you, automatically craft personalized cold emails for each, and scale effortlessly

EfficientPIM is the premier platform for scraping B2B emails from the public web. We replace expensive, stale lead databases with a live AI extraction engine. Our system scans the open web in real-time to generate verified B2B email contacts for sales teams, agencies, and marketers. Instead of manually searching LinkedIn or buying expensive subscriptions, users simply describe their ideal target audience in natural language — for example, “SaaS founders in the UK” or “Dentists in California.” EfficientPIM’s AI then collects, verifies, and deduplicates relevant business email addresses and delivers them in a clean, ready-to-use CSV file. The platform focuses on accuracy and deliverability, offering up to 95% verified emails to reduce bounce rates and improve outreach performance. EfficientPIM supports global targeting, niche-specific searches, and scalable lead generation for cold email campaigns, sales prospecting, and marketing automation. With simple pay-as-you-go pricing and no mandatory monthly subscriptions, EfficientPIM is a cost-effective alternative to traditional lead databases and scraping tools — helping teams save time, reduce costs, and close more deals faster.

Aepto is an AI-powered domain monitoring platform built to give full visibility and control over domains spread across multiple providers. Instead of logging into separate registrar, hosting, and email dashboards, Aepto centralizes everything into one clean interface and continuously monitors domain health using public signals and AI analysis. Once a domain is added, Aepto automatically scans the registrar, hosting setup, email configuration, pricing, and renewal details—no APIs or integrations required. It monitors email deliverability, DNS records, website and subdomain uptime, content changes, and suspicious activity such as nameserver changes or lock status updates. When something goes wrong, Aepto alerts you early and clearly explains what happened and which provider to contact. Aepto also helps track domain expenses, visualize spending, assign ROI, organize domains into folders, and customize pricing and provider details when needed. Advanced features include AI-powered domain discovery, domain watch for tracking expiring domains you don’t own, distributed uptime monitoring, and customizable white-labeled status pages with incidents and maintenance updates. Designed for businesses, agencies, and teams that rely on domains for live websites, email, and APIs, Aepto focuses on proactive monitoring and clarity—so nothing breaks silently and small issues don’t turn into bigger problems.

Outreach Box is an AI-powered sales engagement, marketing automation and email outreach platform designed to help businesses find warm leads, scale outreach campaigns, and close more deals. With intelligent automation, unlimited email outreach, advanced deliverability, AI-generated personalized solution, and real-time campaign analytics, Outreach Box enables sales and marketing teams, agencies, and marketers to increase business reach and automate daily works for better output.

Discover how our AI-powered lead finder boosts sales and targets high-quality leads. Perfect for B2B and local businesses. Try it today!

Ark is the AI first email API. Send transactional emails with native MCP support, sub-second delivery, and 99.9% deliverability.