Mailcheck logo

Mailcheck

by Mozilla · Since 2019
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ActiveAvailable globallyCloud
Quick facts
VendorMozilla
Year launched2019
StatusActive
LocationSuite 4005 43 Bedford Street, London, England WC2E 9HA, GB
Countries servedGlobal
Languages6
Integrations9+
Free tier
Free trial
Contact sales

About Mailcheck

Mailcheck is an email validation software from Mozilla that provides a fast and efficient way to verify email addresses online. It combines checked email verification, trust rate assessment, and disposable email detection so businesses can ensure the quality of their email lists. This tool also supports checks for SMTP catch-all addresses, helping to turn cold emails into hot leads. Mailcheck features an API integration for on-the-go validation, making it accessible for various applications. Key capabilities: checked email verification trust rate assessment disposable email detection SMTP catch-all checks API integration Best for: businesses that need accurate email validation for effective marketing campaigns.

Mailcheck by Mailcheck is a specialized email verification tool built to help businesses maximize deliverability and reduce bounce rates by ensuring that only real, active email addresses remain in their mailing lists. Unlike many verification services that rely solely on SMTP checks, Mailcheck takes a more comprehensive approach, combining a proprietary validation algorithm with data pulled from multiple public sources, open databases, and social networks like Google, Gravatar, LinkedIn, and Facebook. This unique layer of Social Network Validation is what makes Mailcheck stand out, as it provides marketers with higher confidence that their leads are genuine and active. The system assigns a Trust Rate or Validation Score to every email, making it easy for users to quickly gauge whether an address is safe to use, risky, or invalid. This approach is particularly beneficial for businesses engaged in cold emailing, as it transforms what might otherwise be a wasted effort into a higher-converting, more targeted outreach campaign. Ease of use is another highlight of Mailcheck, with its web-based SaaS design eliminating the need for complex installations or technical know-how.

Pros & Cons

What users like
  • +Offers real-time email verification with social network data
  • +Claims up to 5x improvement in delivery rate using proprietary algorithm
  • +Validates emails and phone numbers in bulk (up to 1 million in 15 minutes)
  • +API integration available for automated workflows
  • +Prevents duplicate charges by excluding repeated emails
  • +Risk-free 40-day money-back guarantee
  • +GDPR compliant with strong data protection policies
What users flag
  • No mention of SOC 2 or other security certifications
  • Limited visibility into technical documentation or API details
  • No mobile app or browser extension mentioned
  • Some pricing plans may be restrictive for high-volume users
  • No inbox placement preview or blacklist monitoring features
  • No public reviews from third-party platforms
  • No detailed breakdown of verification methodology beyond social data

Features

Key features

Validation through Social Networks
Uniquely validates emails and phones by cross-referencing data retrieved from social networks.
Speedy Validation
Can check a massive volume of addresses (1,000,000 emails) in a very short time (15 minutes).
Increase Delivery Rate
Utilizes a specialized validation algorithm to boost the email delivery rate up to five times.
Real-Time Verification API
Allows instant verification of email addresses, like on an online store's checkout form.
40-Day Money-Back Guarantee
Offers a risk-free trial period much longer than the industry standard.
Duplicate Cost Prevention
Ensures users do not pay for duplicate email addresses present within an uploaded list.

Additional features

Verification email addresses online in one click
Simplifies the core process of verifying email addresses on the web platform.
Get rid of bots and inactive users
The service assures users that their mailing list will only contain real, active email addresses.
Real-Time Verification
Allows instant verification of an email address when a user enters it (e.g., via an API).
Turn your cold emails into a hot leads
Helps users identify and focus on the most valuable and engaged contacts.
Validate emails through social networks
Uniquely verifies emails and phones by gathering and cross-referencing data from social networks.
Increase your delivery rate up to 5 times with our validation algorithm
Uses a specialized algorithm to significantly boost the success rate of email delivery.
Spend less on outbound marketing
Reduces marketing costs by preventing money from being spent on invalid or non-responsive leads.
Risk-free 40 days money-back guarantee
Provides a long, risk-free period for users to test the service.
Don't pay for a duplicate in the list
Automatically excludes duplicate entries, ensuring users are only charged once per unique email validated.
Email List Cleaning
The service helps clean up old or outdated email lists by removing invalid addresses.
Phone Number Validation
The team is noted to validate both emails and phone numbers.
Invite Friends Referral Program
Allows users to earn a $10 USD cash or validation bonus for inviting new friends who purchase a plan.
GDPR Compliant
Assures users that the service adheres to GDPR data protection standards and will never share user data.

Pricing

Free trial
Free version
Request a quote
Promo Offer

Monthly plans

Pro

USD 10

Agency

USD 30

Enterprise

USD 90

Countries & Languages

Global
Countries served
6
Interface languages
10
Billing currencies

Interface languages

EnglishSpanishFrenchGermanItalianPortuguese

Billing currencies

🇺🇸USD🇪🇺EUR🇬🇧GBP🇦🇺AUD🇨🇦CAD🇯🇵JPY🇨🇳CNY🇮🇳INR🇸🇬SGD🇭🇰HKD

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