Product Blog

Disposable Email Domains Database: Improved Detection with 99% Precision

TL;DR

  • The Disposable Email Domains Database has been upgraded with a more precise machine learning detection model that reaches 99% tested detection precision.
  • It adds scoring for every domain on a scale from 0 to 100, allowing you to set your own block, verify, and allow thresholds based on the score.
  • It tracks 162,000+ disposable domains and is refreshed daily in CSV and JSON.

New Account Controls: IP Allowlist and Per-Member Usage Monitoring

TL;DR

  • You can now restrict API requests and database or data feed downloads to a list of trusted IP addresses, so a leaked or shared key alone is no longer enough for unauthorized users to use your API key.
  • Enterprise account administrators using Parent-Child API keys can see API usage broken down by individual team member or combined for the whole account.
  • Both are available now in your account settings. The IP allowlist is off by default, and your account setup stays the same.

Preparing for the End of Third-Party Cookies

It’s almost the end of an era in advertising. Google has started phasing out third-party cookies, beginning with 1% of Chrome users in January 2024. It plans to do the same for all users by the second half of the year through the Privacy Sandbox initiative.

To recall, Google’s Privacy Sandbox is a set of proposals for creating new standards for online privacy. The core idea is to develop methods for websites and advertisers to access user information for things like advertising and content recommendations without compromising user privacy. Among its key goals? Phasing out third-party cookies.

WhoisXML API Launches Email Verification API V3

We are excited to introduce Email Verification API V3, the latest upgrade to our Email Verification product line. This innovative release is set to provide better stability and more accurate results with enhanced checks to empower substantially improved email validation processes.

This new version of Email Verification API will further enable a variety of use cases, including:

How to Validate an Email Address for Typos, Syntax, and Other Rules

Validating email addresses upon user signup is an important process that can help improve the quality of your email list and reduce the number of bounced emails. Without an email verification process, users can create accounts using misspelled, nonexistent, or invalid email addresses. As a result, you will probably see a high number of bounces for your marketing campaigns, potentially damaging your sender reputation.

Importing the Disposable Email Domains Data Feed to AWS S3

The intention of this document is to show you the basis of how to download the disposable email domain data feed provided by WhoisXML API to an AWS S3 bucket by leveraging a serverless Lambda function. AWS Lambda functions act as a serverless compute service that allows you to write and execute code without provisioning or managing servers. AWS S3 is an object storage service for storing and retrieving files. This document will guide you through the process of configuring both AWS Lambda and an AWS S3 bucket.  

How to Check If an Email Address Exists Using DNS MX Records, SMTP Connections, and Email-Sending Emulation

Nonexistent, invalid, or fake email addresses, which aren’t connected to existing business domain names, can spell trouble for organizations when used as part of a site’s registration process or in an online contact form.

Such addresses can be the product of human error. For example, users may inadvertently mistype their email addresses by omitting, adding, or switching one or more characters or words. However, using nonexistent email addresses can also be deliberate for different reasons that include:

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