--- title: MailboxValidator Reviews meta\_title: 'MailboxValidator Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 16 reviews by the users' company size, role or industry to find out how MailboxValidator works for a business like yours. aggregate\_rating: rating\_value: 3.7 review\_count: 16 scale: '5' date\_modified: '2026-08-07' parent\_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- # MailboxValidator Reviews & Product Details MailboxValidator is an easy to use email address validation service to clean up email lists. * * * Seller [MailboxValidator](https://www.g2.com/sellers/mailboxvalidator) Discussions [MailboxValidator Community](https://www.g2.com/products/mailboxvalidator/discuss) Overview by Kim Loong Liew (Founder of Hexasoft Development Sdn. Bhd.) Show More ## Value at a Glance Averages based on real user reviews. ### Perceived Cost $$$$$ [ View More Pricing Information ](https://www.g2.com/products/mailboxvalidator/pricing) ## Top-Rated Alternatives [ ![ZeroBounce](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "ZeroBounce") ZeroBounce 4.7/5(1,368) ](https://www.g2.com/products/zerobounce/reviews) [ ![MailerLite](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "MailerLite") MailerLite 4.6/5(1,113) ](https://www.g2.com/products/mailerlite/reviews) [ ![Kickbox](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kickbox") Kickbox 4.5/5(658) ](https://www.g2.com/products/kickbox/reviews) [ View All Alternatives ](https://www.g2.com/products/mailboxvalidator/competitors/alternatives) ## User Insights Average based on 16 real user reviews. Perceived Cost $$$$$ [Log in to unlock pricing and user insights](/login) ![Verified User in Marketing and Advertising](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Marketing and Advertising") UM Verified User in Marketing and Advertising Small-Business (50 or fewer emp.) 1/14/2021 Business partner of the seller or seller's competitor, not included in G2 scores. "MailBox Review" 5/5 What do you like best about MailboxValidator? Checks for invalid email addresses!!! and reduces email bounce to my customers Review collected by and hosted on G2.com. What do you dislike about MailboxValidator? Honestly nothing to dislike at this point! Very impressed Review collected by and hosted on G2.com. Recommendations to others considering MailboxValidator: Check it daily and set up the settings which are most pertinent to you and your employees/ other users Review collected by and hosted on G2.com. What problems is MailboxValidator solving and how is that benefiting you? Benefits have come in many forms - it removes duplicate emails which keeps our pipelines clean, it can tell us which email provider is being used etc. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Sylvia H.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sylvia H.") SH Sylvia H. Senior Manager Project Management Small-Business (50 or fewer emp.) 6/14/2019 "Check and clean your email list" 5/5 What do you like best about MailboxValidator? Mail box validator is very easy to use and very necessary for all organizations that they work with massive email lists. This application helps us to verify each email, in a very effective way improving the reputation of the company or client to promote our brand Review collected by and hosted on G2.com. What do you dislike about MailboxValidator? The support can be a bit slow in terms of customer service, as I asked for a suggestion and it took more than 4 days to respond, in addition it is limited in terms of number of emails that can be validated in a session, that is if you have a very large mailing list you probably have to split it in two Review collected by and hosted on G2.com. Recommendations to others considering MailboxValidator: It is very intuitive and has a very solid free plan, it is a good option. I recommend use the free version first and if it suits you do not wait any longer and get the most out of this powerful tool Review collected by and hosted on G2.com. What problems is MailboxValidator solving and how is that benefiting you? This software helped us improve the success of the delivery of emails and they were verified nullifying the bad reputation of some emails Review collected by and hosted on G2.com. Show More 7/1/2019 Current UserValidated ReviewerIncentivizedSource: G2 invite ![Luke H.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Luke H.") LH Luke H. Organization Manager Mid-Market (51-1000 emp.) 5/28/2019 "MailboxValidator is truly simple to use and very easy to start in your business" 4.5/5 What do you like best about MailboxValidator? What I like most about MailboxValidator is the extraordinary mass list and email service simple to use, it also offers us to connect to the mail server and check if the mailbox exists or not, in order to reduce the bounce rate and costs . What will possibly help you increase the conversion rate and reputation of the sender Review collected by and hosted on G2.com. What do you dislike about MailboxValidator? What displeased us was that when I had problems with my email lists, I tried to contact the customer service team and that was a very slow process. This software has a great deal of positive detail since it is very essential to handle "clean" mailing lists, we have observed that it offers us a great service, easy to use with excellent results and 5 star service Review collected by and hosted on G2.com. Recommendations to others considering MailboxValidator: Very fast and precise process. I definitely recommend this amazing tool for routine tasks. It is also very easy to manipulate since with having a list of emails in which duplicates and non-active emails are eliminated, it reduces the necessary shipments and saves time and money, which in the long run can be used in other things that are a priority for my business Review collected by and hosted on G2.com. What problems is MailboxValidator solving and how is that benefiting you? For now we have no problem to solve, since this software helped me improve the success rate of email delivery, it also reduces the bad reputation of email due to emails not delivered or rejected, it is easy to integrate and use in addition It has an invalid email quality with a comprehensive domain report, good-bad emails, etc. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite JQ Juan José Q. Especialista en ventas y marketing Mid-Market (51-1000 emp.) 8/2/2018 "You will have only valid emails" 4.5/5 What do you like best about MailboxValidator? Over time, the number of emails that end up accumulating in the lists of clients or potential clients of any company reaches volumes that are difficult to manage, making it necessary to use software like MailBoxValidator, an easy-to-use email address validation service to clean your email list. It is capable of verifying, by connecting with the server and checking if the email accounts of clients or subscribers are still active, endless lists that, if not for this service, would waste a lot of the company's employees' time. You just have to send the list, and in a reasonable time, you will have your list cleaned of useless addresses. This way, it manages to reduce bounce rates, lower the costs of a mailing campaign, and translate them into a better conversion rate. Review collected by and hosted on G2.com. What do you dislike about MailboxValidator? Maybe its price is a bit high, but if you need to verify large quantities of emails, that comes at a cost. Review collected by and hosted on G2.com. Recommendations to others considering MailboxValidator: For high-volume email lists, Mailboxvalidator is necessary. Review collected by and hosted on G2.com. What problems is MailboxValidator solving and how is that benefiting you? Save a lot of time for workers in a tedious task like verifying huge lists of emails. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 inviteAI Translated AN Alejandro N. Marketing Enterprise (\> 1000 emp.) 7/31/2018 "Quality mailing lists" 4.5/5 What do you like best about MailboxValidator? The service offered by Mailboxvalidator is necessary for all companies that work with mass email lists. In these extensive lists, there are always emails that don't exist, and that's why this application connects with the server to verify each email, leaving only those that can truly lead to a conversion, thus increasing the conversion rate and improving the reputation of the sending company. This saves a lot of costs, as only valid and active emails will be sent messages. It is very easy to use, as you only need to upload the list in text or CSV format and wait for the verification results. It can be integrated with various email applications to facilitate sending. It offers 8 pricing plans (up to $699) to suit all clients. Review collected by and hosted on G2.com. What do you dislike about MailboxValidator? The Customer Service is a bit slow in responding compared to other companies. Review collected by and hosted on G2.com. Recommendations to others considering MailboxValidator: It is essential to manage "clean" mailing lists Review collected by and hosted on G2.com. What problems is MailboxValidator solving and how is that benefiting you? Having a list of emails where duplicates and inactive emails are removed reduces the necessary sends and saves money. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 inviteAI Translated ![Verified User in Marketing and Advertising](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Marketing and Advertising") UM Verified User in Marketing and Advertising Small-Business (50 or fewer emp.) 8/3/2018 "MailboxValidator allows me to reach the maximum number of people in my email list!" 4.5/5 What do you like best about MailboxValidator? I like how duplicate email addreses and outdated addresses are automatically removed by MailboxValidator. Review collected by and hosted on G2.com. What do you dislike about MailboxValidator? MailboxValidator does exactly what it’s advertised as doing, I have no complaints with the service. Review collected by and hosted on G2.com. What problems is MailboxValidator solving and how is that benefiting you? Reaching the maximum number of individuals and not wasting time and resources with outdated or spam email addresses. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ## Questions about MailboxValidator? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about MailboxValidator ](https://www.g2.com/products/mailboxvalidator/discussions/new) GU Guest User What is MailboxValidator used for? 0 Upvotes 0 [ Join the conversation ](https://www.g2.com/discussions/what-is-mailboxvalidator-used-for) [ View all Discussions ](https://www.g2.com/products/mailboxvalidator/discuss) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. 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