Email Verifier: Free, Bulk & API Email Validation

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.

It is a cross-platform mail client library built on top of MimeKit. The main goal of this project is to provide the .NET world with robust, fully featured and RFC-compliant SMTP, POP3, and IMAP client implementations.

As soon as a mailbox is connected, we create a metadata index of its content starting from the most recent emails which become available from the API within seconds. Context.IO takes care of synching email data for your app so you don't have to build, scale and maintain this infrastructure yourself. Focus on what's unique to your business, we'll manage the technical details of integrating with arcane email server protocols.

A full-featured email creation and transfer class for PHP. It is a class library for PHP that provides a collection of functions to build and send email messages. PHPMailer supports several ways of sending email: mail() , Sendmail, qmail & direct to SMTP servers.

It allows sending email directly from Javascript, with no backend development. The developers create one or more email templates (dynamic content supported) and then trigger an email using our Javascript SDK, specifying the template, and the dynamic parameters for rendering the email.

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.

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 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.

mailparser.io is a web-based email processing software which allows you to pull any kind of data from incoming e-mails based on custom parsing rules. The parsed data can be sent to any API with webhooks.

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.

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.

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.

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 API-first email hosting service with a user-friendly interface. It provides affordable scalability for small & large businesses using dedicated email servers without any per-user/per-domain limits. Furthermore, the powerful API enables you to meet your changing business requirements with ease.

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.

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.

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.

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.

Multichannel messaging SaaS to manage SMS, Email and RCS from a single interface. Supports transactional and marketing messaging, automation workflows, OTP authentication and API-based integrations.

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 can parse emails which contain travel reservations and return those reservations in a structured format (JSON). We can extract travel itineraries from virtually any travel provider. We support thousands of email formats and we have a dedicated team of developers who constantly work on improving the API by adding new parsers to support new email formats.

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

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

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

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.

Web2Phone is a lightweight form backend that sends website form submissions instantly to WhatsApp and email. Simple setup, spam protection, and real-time delivery.

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

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.

Free overdue rent alerts for your Google Sheet •⁠ ⁠*Short description:* RentGuard monitors your rent tracking spreadsheet and sends email alerts when payments are overdue. Connect your Google Sheet, get alerts in 60 seconds. Free forever for 1 monitor and 5 units.

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

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

Is a cost-efficient unified messaging API for WhatsApp, SMS, and Email, designed to reduce CPaaS overhead.

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.

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

Keep sender reputation in check and maximize deliverability with MailerCheck! A complete suite of professional email deliverability tools including reputation monitoring for blocklists and DMARC, email verification, inbox placement and more

It is an email validation service that can be used to check whether the address exists or not. It validates email lists to get rid of undeliverable emails so that it helps to maximize every marketing campaign potential and lower the bounce rate.

It helps protect sender reputation and achieve better ROI for your email campaigns. It removes invalid and risky emails that hurt your reputation. You may clean the entire list in one go or you may use REST API to verify one email at a time before they enter your mailing list through sign-ups or contact forms where you collect email addresses from.

It is an API service that helps in identifying disposable/temporary email address, scam emails, email health, free or a company domain, IP health check, location detection and phone number validation services. Our clients are able to ensure that they are able to ensure the quality of their inbound leads from their online forms and their sales team spend their effort on the right leads.