EmailVerify.io

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.

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.

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.

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.

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.

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).

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.

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

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

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

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.

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.

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 is an all-in-one email deliverability platform to supercharge your email performance. Locate, solve, prevent email deliverability pitfalls, and become a credible sender for any ESP provider.

It is an advanced MTA built to handle the most critical reliability, performance, security, and deliverability requirements.

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.

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.

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 Tracking for Gmail and GSuite, adds the double check marks to your mail if it is read by recipient (Just like WhatsApp), Receives real-time pop-ups notification on your desktop when your emails are opened.