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Top 10 Bulk Email Verification and Validation Services Compared

What is a Bulk Email Verification Service?

Bulk email list verification – an indispensable tool for companies sending mass emails – determines whether or not a list of email addresses is fully valid and deliverable. The process involves an address-by-address analysis of each email on an uploaded list and is offered as hosted software.

How Does Email Address Verification Work?

The legitimacy of an email address can be measured through a combination of validation techniques and – depending on the internal database – proprietary algorithms.

At the end of the list validation process, any invalid addresses will have been filtered out, leaving a clean, fully deliverable email list, ready for marketing and business requirements.

Below, we’ve described in detail just how the email validation process – essentially, a process of separating the wheat from the chaff – works.

  1. Email Address Syntax Check: This removes improperly formatted email addresses, according to IETF standards.
  2. Domain/MX Records Check: This verifies the DNS entries of an email address. If a domain is found to be invalid, or an MX entry is missing, this process marks the corresponding email address as invalid.
  3. Role-Based Account Detection: Email sends to role-based such as postmaster@, info@, sales@, admin@, etc. can negatively impact your deliverability, and even blacklist you with some ISPs. This process detects and flags such addresses.
  4. Disposable Email Address (DEA) Detection: Throwaway/disposable email addresses, or “junk collector” email addresses,” are detected and processed
    appropriately. These are usually used for signup forms or to bypass login forms which require a valid email address.
  5. Honeypot/ Spam Trap Detection: This detects spam seeds, BOTs, honeypots, blacklisted, or bogus email addresses by checking the addresses in the list
    against the known list of email addresses/domains, used for trapping spammers.
  6. Checking DNSBLs and URI DNSBLs for blacklisting: A DNS-based blackhole list (DNSBL) or Real-time Blackhole List (RBL) is a list of IP addresses often used for spamming. A URI DNSBL is a DNSBL that lists domain names which have been found in the body of spam email messages but generally, have not been found inside legitimate messages. In the process, email addresses and IP addresses are checked against known DNSBLs and URI DNSBLs to trap spam networks.
  7. Final Verification: This phase performs deep-level extended SMTP verifications on each email address. The addresses will be pinged for mailbox existence without sending an actual email to the inbox.

Who Are The Top 10 Bulk Email Verifier Services?

The below is a list of the best email list cleaning and email validation services identified by AccuWebHosting.com thru ongoing exhaustive analysis. Please note, variable listing fees may affect the position on the list. This compensation, however, unequivocally does not influence our review process.

1. ZeroBounce.net – Most Accurate Email Verification App

ZeroBounce is a leading online email validation system to ensure that companies sending complex and high volume email avoid deliverability issues. This is accomplished through the invalid email address and bounced email elimination, IP address validation, and verification of key recipient demographics. ZeroBounce is the best overall email verification service provider. Check out the ZeroBounce Guide to improve Deliverability and Inbox Rate. For developers, you can get all the guides and documents of ZeroBounce here.

ZeroBounce is a EU-U.S. and Swiss-U.S. Privacy Shield Certified email verification provider and you can trust them to safely and accurately clean email list.

What makes ZeroBounce to standout from others?

It is the only provider that offers a WordPress plugin, making its integration hasslefree and easy for your website.

Verify an Email Address with ZeroBounce

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2. QuickEmailVerification.com – Most Trusted Email Verifier

QuickEmailVerification offers online email list cleaning using real-time verification as well as batch processing. Because of their accuracy (over 95%), speed (~ 200,000 emails verified in under three hours), and relative affordability, QuickEmailVerification is one of our top pick as a bulk email verifier.

To date, QuickEmailVerification has helped over 50,000 businesses around the globe – from SMBs to Fortune 50 companies – with their deliverability solutions.

Their email verification process incorporates seven different validations, including syntax validation and the checking of mailbox existence. At the end of the verification process, clients receive a detailed report, with all safe-to-send emails cleaned and identified and placed in a new ready-for-mailing list. QuickEmailVerification verifies domestic and international B2C and B2B emails.

QuickEmailVerification completes two different APIs: real-time API and bulk verification API. The real-time API, which is a nearly instantaneous process, checks new submissions on a form, while bulk email verification API processes a full batch of uploaded email addresses and validates each one.

Verify an Email Address with QuickEmailVerification

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3. Xverify.com – Intelligent Email Verification

Xverify is a clear industry leader in email list verification service. They validate all email addresses globally and can validate both B2C and B2B emails. Accuracy, Security, Trust, and Customer service is what sets them apart.

What makes working with them easy, is that you can call and speak directly with an email consultant. The company has built a strong reputation in email verification industry for over 7 years, having 2 office locations in the United States. Being that they are EU Privacy Shield Certified and located in the US, you can trust them to safely and accurately clean email list.

Be very cautious considering any providers who you don’t give you the option to call and speak with someone or boast similar independent certifications. The security and privacy of your data is their #1 Priority. Click and Call to speak with a live consultant today.

View Xverify’s Email Verification Buyers Guide

Check out this insightful wiki when choosing your provider.

Auto Correction Feature

The typos alone can create 10% of invalid email addresses in a list. Xverify’s built-in auto-correction can easily notify the end users when they spell a domain incorrectly.

Fraud Protection

Xverify’s built-in fraud protection ensures that an email address is not a temporary account or involved with any online fraudster and chargebacks.

Email List Cleaning Accuracy

xVerify’s accuracy rate is about 98% across all major email domains including Gmail, AOL, Yahoo, Hotmail, etc.

Turn-around Times For Email Verification

It purely depends upon the size of the email list and type of email addresses present in the list.

Email Verification Response Time

Most of the time, validating major players like AOL, Comcast, Outlook, Yahoo, and Gmail take less than 1 second. While validating a B2B email address, response time may be slightly higher.

Verify an Email Address with Xverify

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4. EmailChecker.com – Email Verification you can trust

EmailChecker is one of the most robust and accurate email verification services in the marketplace, and with multiple tiers of service, they offer something to fit all budgets. Email Checker provides high levels of knowledge and experience which, combined with their robust and dedicated server infrastructure, gives customers peerless email verification.

Subscriptions and pay-per-use will both provide an email validation platform which ensures email addresses are accurate and checked in all situations. To learn more about pricing plans, service levels, and customer support options, please visit their website.

Verify an Email Address with EmailChecker.com

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5. BriteVerify.com – Bulk Email Verifier

BriteVerify puts its focus on the simplicity and accuracy of email list cleaning. Through their online platform, users can simply drag and drop emails – whether a single address or an entire list – into the BriteVerify window. Alternately, a list can be imported from an ESP (Email Service Provider). Integrate BriteVerify with your website’s sign-up forms to automatically validate incoming email addresses as they are entered by visitors.

BriteVerify claims to reduce bounce rate to achieve an impressive 98% list accuracy, and verify email list at the lighting pace of 0.5 seconds per email address. At the end of the email verification process, a cleaned list can be easily downloaded, or users can automatically unsubscribe invalid and risky emails from a campaign.

BriteVerify is fast, accurate, and reliable.

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6. EmailListVerify.com – Email List Verification Simplified for You

A leader in the email deliverability market, EmailListVerify ensures that your list of email addresses are validated securely and easily, with the best possible sender score. By removing dead addresses, EmailListVerify helps organizations launch fast, cost-effective email marketing campaigns.

EmailListVerify boasts a 97% accuracy, guaranteeing zero false positives and a 10x reduction in bounce rates. Their email verification algorithm includes domain validation, syntax verification, spam-trap removal, risk validation, MTA validation, MX records validation, complainers verification, real-time bounce email checking, and email de-duplication.

EmailListVerify gives its clients a simple web interface to process batches. They also provide an API which can be integrated with a web application or a web form. After batch validation, EmailListVerify sends a detail report, showing list activity and improvement over time.

Verify an Email Address with EmailListVerify

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7. Verifalia.com – Email Scrubbing Service

Verifalia is a web-based email validation service which allows users to easily upload and validate lists of email addresses. Its original developer and current supporter, Cobisi, has spent more than a decade in the specialty niche of email validation.

For automated validation, use the HTTPs-based RESTful API to check the validity of an email address at the moment of collection. A unique feature of Verifalia is its ability to detect temporary mailbox unavailability, such as full mailbox errors. The email verifier software automatically retires each address multiple times at specific intervals, providing an accurate data map which avoids a greylisting filter.

Verifalia offers three tiers of service: Standard, High, and Extreme.

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8. Bounceless.io – Email Verification Made Simple

Bounceless.io is a privately owned Email List Verification and Validation service provider with 99% deliverability, 10 times reduction in bounce rate and offers 99.9% uptime guarantee. Bounceless has been proven to be an effective and a helpful email verification tool that a lot of companies and organizations like United Nation, Disney, Yamaha, Hilton and many more are using substantially. Bounceless’s mission is to boost your ROI and help you bypass spam filters and protect your reputation.

Bounceless’s email list verification service also provides ESP integrations and real-time verification API for businesses who rely heavily on email marketing. Bounceless increase conversions by improving email deliverability. Their user-friendly interface is making the difference when it comes to cleaning an email list. You can drag and drop your email list or upload it directly from Mailchimp and results will be provided to you in a short amount of time. Concluding this, Bounceless is an email verification tool that suits companies of every size when it comes to usability and pricing.

Data security: Bounceless is built using 10 year’s experience in the email security and privacy industry to ensure your data is protected using the same protocol used by financial firms to ensure secure data transmission.

Verify an Email Address with Bounceless

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9. EmailMarker.com – Email List Cleaning Service

EmailMarker is one of the leading email list cleaning service provider for email verification. Being in the industry for many years, EmailMarker takes pride in delivering email lists cleaning services of incredible quality.

In the recent years, EmailMarker has made a great transformation using an automated self-service software. Due to this, the client’s are allowed to upload their lists online on the emailMarker web application, and the system handles everything very easily and very fast. Filtering low-quality emails this software protects your reputation and boosting your email campaign.

The level of professionalism has made EmailMarker a successful provider and all the clients are always satisfied with the excellent results. They handle every customers’ lists with great responsibility and ensure the clients that, they prioritize safety more than anything. This is the reason that various huge companies trust EmailMarker with their data and continue working with them every time. They do provide a full refund if you receive more than 5% bounce-backs from the cleaned email list.

EmailMarker diverse and very functional team is always ready to take challenges and works with passion and devotion.

Verify an Email Address with EmailMarker

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10. Towerdata – Email Checker at it best

TowerData found in 2002, is one of the leading email validation service provider today. They provide an easy to access tools and services for kick-starting a multi-channel marketing campaign.

TowerData’s fast, accurate and secure Email Validation service can remove bad emails from your list, leading to higher opens, clicks, and conversions.

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Why is Email Address Verification so important?

Most websites have forms asking for customer details, including an email address. While filling out such forms, it’s not uncommon for users to enter an incorrect email
address – whether intentionally or by mistake. All those incorrect email addresses added to your lists will be inaccurate – and undeliverable.

If you send emails to such addresses, the ratio of bounce-back emails will increase significantly. This bounce-back negatively impacts your mail server reputation, which is constantly monitored by Yahoo, Gmail, AOL, Hotmail, and other ISPs.

If your IP address develops a poor reputation, it may get blacklisted by popular email services like Gmail and the like.

This means that if you plan to run bulk email marketing campaigns, such as newsletters or sales emails, the identification and removal of invalid email addresses is essential.

Email verification ensures your email list is clean and thoroughly valid, which helps reduce bounce-back, ultimately saving you time and money.

Validating email addresses also helps you to maximize deliverability of your marketing campaign, and separates low-quality addresses from high-value contacts.

By harnessing the power of email list validation services, you can enjoy peace of mind with every send, knowing your emails go out to real, live humans.

Quick Comparison of the Best Email Verification Services

Bulk Email Verifiers ZeroBounce QEV Xverify.com emailchecker
100k Email Verifications $200 $320 $400 $299
Offers
Free Trial?
Yes Yes Yes Yes
Total Free Email Verifications 100 Credits
One Time
100 Credits
Per Day
100 Credits
One Time
50 Credits
One Time
Validation Accuracy Ratio 98% 95% 98% 97%
Credit Card Required for Signup? No No No No
Time required for 200k Validation < 2 hours < 3 hours < 3 hours < 3 hours
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Do you have user experience with any of the above email verification services? If yes, we would like to hear that. Please comment your experience about any of the above company.

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