Sendmail provider for strapi email

Validates emails based on regex, common typos, disposable email blacklists, DNS records and SMTP server response.

A Node.js module for verifying email addresses

Classify the email provider (mailbox host or secure email gateway) behind an MX record.

Check that email addresses are really able to accept emails by pinging the DNS and checking for active MX records.

Verifies email domains

Haraka plugin that checks that the domain used in MAIL FROM is resolvable to an MX record

Comprehensive email domain validation library with DNS, MX, SMTP, DKIM, DMARC and MTA-STS support.

Provides a fast company / work email validator by checking whether the email domain is in the free email provider list.

Email authentication library for Node.js

Advanced email validation with MX records, SMTP verification, disposable email detection, batch processing, and caching. Production-ready with TypeScript support.

Haraka plugin that validates recipients against Qmail::Deliverable

Haraka plugin that validates and routes mail based on recipient domain or address

Establish TCP connection to a MX server with MTA-STS and DANE/TLSA support

Strict Email Validator with checking DNS MX records and email providers rules in browser!

Verify email address checking MX records, and SMTP connection.

Mailer-free email address verification and enrichment: syntax, MX/SMTP probing, disposable/free/role detection, catch-all, provider & secure-email-gateway classification, typo suggestions, and a 0–100 quality score.

Email address validation with DNS MX record, SMTP connection and disposable email verification

Validates emails based on regex, common typos, disposable email blacklists, DNS records and SMTP server response.

Useful TypeScript utilities.