Best Email Verification Software

Compare the Top Email Verification Software as of November 2025

What is Email Verification Software?

Email verification software helps businesses ensure that the email addresses they collect or use are valid, active, and free from common errors. These tools check the syntax, domain, and mailbox of email addresses to detect potential issues such as invalid or non-existent domains, disposable email addresses, and syntax mistakes. By filtering out invalid emails, email verification software improves deliverability rates, reduces bounce backs, and helps maintain a clean and accurate email list. It is commonly used in email marketing, lead generation, and customer relationship management (CRM) systems to ensure that messages reach their intended recipients and comply with anti-spam regulations. Additionally, many email verification tools offer real-time verification, which allows businesses to verify email addresses as they are being entered. Compare and read user reviews of the best Email Verification software currently available using the table below. This list is updated regularly.

  • 1
    InboxAlly

    InboxAlly

    InboxAlly

    We engage with your emails to teach inbox providers not to send your emails to spam. Our clients have seen their open rates more than DOUBLE within 1-2 weeks! Highly engaged recipients not only open emails, but scroll down as they read. So long as the content is longer than the page, this should be done for nearly all opened emails. When a recipient goes out of their way to take an email out of spam, they are telling the inbox provider, hey, you made a mistake. Moving an email from the promotions folder to the primary inbox tells inbox providers that you disagree with their sorting criteria and it and similar emails should go to the primary inbox. Demonstrates that recipient is interested in the content of your email. We have a set of random generic replies we use for this. Marking an email as important can essentially be interpreted by the inbox provider as "This email is extremely valuable, never send it to spam."
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    Starting Price: $149 per month
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  • 2
    Antideo

    Antideo

    Bizmindz Technologies LLP

    Protect your Outreach Channels from Temporary Emails & Spammers We help you validate Email Address, detect Location and validate the IP's against a know list of Spammers housed within various Open Source spammer lists Email Validation Avoid receiving disposable email addresses on your prospect forms IP Health Check Stop the use of Proxies from people visiting your Website or Mobile App Phone Validation Validate a wide range of both national and international numbers worldwide.
    Starting Price: $5 per month
  • 3
    SMTP.com

    SMTP.com

    Ziff Davis

    Reliable SMTP relay and email delivery services. Powerful email delivery services that enable you to send and track high volume emails effortlessly. Integrate and start sending in minutes. All your transactional, email relay and email delivery needs under one roof. Whether you need a low-latency email delivery provider for your transactional emails, scalable infrastructure for high-volume sends or reliable backend solution for your marketing campaigns, SMTP is built to deliver. Reputation Defender is SMTP’s proprietary technology that uses big data to proactively monitor your email list health and safeguard your domain and IP reputation among ISPs by suppressing bad emails in your sends from hard and soft bounces. This ensures your delivery rates and inbox placement incrementally gets better over time.
    Starting Price: $25 per month
  • 4
    1PointMail

    1PointMail

    1Point Interactive, LLC.

    1PointMail, a cloud-based email marketing solution, allows users to improve their email marketing return on investment (ROI). With 1PointMail, users can optimize marketing campaigns, manage lists, track campaign results in real time, and enhance email deliverability. 1PointMail allows users to upload lists, create newsletter templates, and send dedicated messages to their customers. 1PointMail also enables users to create sub-accounts for multiple users and customize them by giving them assignment permissions.
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    Starting Price: $49.00/month
  • 5
    SendGrid

    SendGrid

    Twilio SendGrid

    Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.
    Starting Price: $19.95 per month
  • 6
    DataValidation

    DataValidation

    DataValidation

    The most comprehensive email verification service in the email marketing industry! Our deliverability and compliance tools are used for managing email data, email list cleaning, and automating email validation. We perform extensive deliverability checks to analyze the health of an email address. One of our core beliefs is you should always know the quality of your email list(s) for free. View the health of your email lists in DataValidation’s self-service platform at any time. If your list needs maintenance, you can purchase and download the Address-by-Address Analysis. This analysis includes the following data for each email address: A+ to F grades, historical engagement, historical bounces, historical complainers, historical opt outs, history of spam traps, and history of deceased. We have 24/5 online support and you never have to worry about contracts, setup fees, or minimums. We work directly with ESPs so your data is safe with us. It’s free to get started. Upload a list t
    Starting Price: $3.50/one-time
  • 7
    Reply

    Reply

    Reply

    Reply.io helps sales teams book more meetings and close deals faster with AI-powered, multichannel outreach. It is your all-in-one sales engagement platform that automates outreach, finds leads, and turns them into booked meetings. Reply’s built for sales teams, founders, and agencies who want to grow their pipeline without the manual grind. Just plug in your strategy → Reply handles the rest. Key features: - AI SDR that works for you; - Built-in B2B database; - Multichannel outreach; - Findy Chrome Extension; - AI-powered personalization; - Email Deliverability Suite. What makes Reply different: - Your own AI SDR that doesn’t just automate, It actually learns your product and adapts your outreach. - Whitelabel available. Perfect for agencies that want to offer a branded solution. - Agency Growth Hub. Purpose-built tools for lead gen agencies: dashboard, API, client management, bulk actions.
    Starting Price: $49/user/month
  • 8
    EmailLabs
    EmailLabs is part of the Vercom S.A Group, which implements technology solutions in the CPaaS model. We are a cloud SMTP server infrastructure: Cloud SMTP & Email API. With years of experience in sending to the most informed senders, we can make a measurable contribution to building email reputation and improving deliverability. We take care of standardization and security of both marketing, transactional and system messages of our customers. Thanks to the in-depth knowledge of our experts, we are able to prepare the infrastructure to ensure appropriate throughput and increase the sending speed for any market and any mailbox provider. Plug EmailLabs into your transactional sends - start sending in less than 5 minutes.
    Starting Price: Free
  • 9
    sift.email

    sift.email

    sift.email

    We help you send emails to real email addresses so you get real results. Fewer bouncebacks and higher value contacts mean a bigger ROI and a squeaky clean digital reputation. Verify the format and check if the MX record for the domain exists. Check for misspelled email addresses and suggest corrections. Integrate easily with your website, app, or services. No monthly charges, volume discounts, unlimited credit purchasing power, and credits that never expire give you complete control. Integrates with the most popular services like Google Sheets, Salesforce, Mailchimp or Campaign Monitor. You can pull your email list and validate it with just a few clicks. Yeah, it's that easy! Email addresses submitted for validation to our service via website or API are neither stored nor collected in any manner. Get up and running with sift.email API in just a couple of minutes.
    Starting Price: $5.00
  • 10
    Melissa Data Quality Suite
    Up to 20 percent of a company’s contacts contain bad data according to industry experts; resulting in returned mail, address correction fees, bounced emails, and wasted sales and marketing efforts. Use the Data Quality Suite to standardize, verify and correct all your contact data, postal address, email address, phone number, and name for effective communications and efficient business operations. Verify, standardize, & transliterate addresses for over 240 countries. Use intelligent recognition to identify 650,000+ ethnically-diverse first & last names. Authenticate phone numbers, and geo-data & ensure mobile numbers are live & callable. Validate domain, syntax, spelling, & even test SMTP for global email verification. The Data Quality Suite helps organizations of all sizes verify and maintain data so they can effectively communicate with their customers via postal mail, email, or phone.
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