
Research
2025 Report: Destructive Malware in Open Source Packages
Destructive malware is rising across open source registries, using delays and kill switches to wipe code, break builds, and disrupt CI/CD.
resolve-email
Advanced tools
Resolve the domain of an email address to see if it even has a chance of delivering
Resolve the domain of a syntactically valid email address to see if there is even a chance of deliverability. Also checks against a large list of disposable email and other junk/unwated address domains and rejects those.
npm install resolve-email
import { resolveEmail } from 'resolve-email'
// Validate the email address before passing it in here:
const results = await resolveEmail('person@gmailc.om')
console.log(results)
// results.emailResolves true/false
// results.mxRecords [array of mx records and priorities]
// results.error any errors that may have occurred.
This module was adapted from nodemailer/nodemailer-direct-transport
The disposable email domain list is generated from the following data sources:
MIT
FAQs
Resolve the domain of an email address to see if it even has a chance of delivering
We found that resolve-email demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Research
Destructive malware is rising across open source registries, using delays and kill switches to wipe code, break builds, and disrupt CI/CD.

Security News
Socket CTO Ahmad Nassri shares practical AI coding techniques, tools, and team workflows, plus what still feels noisy and why shipping remains human-led.

Research
/Security News
A five-month operation turned 27 npm packages into durable hosting for browser-run lures that mimic document-sharing portals and Microsoft sign-in, targeting 25 organizations across manufacturing, industrial automation, plastics, and healthcare for credential theft.