JSPM

Sender Policy Framework (SPF) plugin for Haraka

Email authentication library for Node.js

Parse SPF (Sender Polify Framework) records

SPF validator

One stop solution for all DMARC Problems. This package includes fetching of dmarc record, parsing the provided/fetched record, validation of DMARC record, generating a new DMARC record

Parse DMARC policy strings

Sender Rewriting Scheme in JS.

Used to validate SPF records

Forward and reverse email addresses with SRS (Sender Rewriting Scheme).

DNS package which works similar to native DNS package of Node but internally using dig for fast updations

Comprehensive TypeScript SDK for detecting disposable email addresses with real-time synchronization, advanced DNS validation (MX, SPF, DMARC), intelligent caching, and high-performance email validation. Features 119K+ domains from 15+ sources with automa

Basic tool for inspecting SPF record

Node.js wrapper around Python's spf.check2 function which conforms to both RFC4408 and RFC7208

Package to check the spf dkim dmarc and mx records by the DNS name

TypeScript client library for Sunscreen SPF REST API

Pure atomic SMTP header analysis and email authentication parsing utilities

Email authentication library for Node.js

A comprehensive email deliverability testing utility that validates email format, domain existence, DNS records, and tests actual delivery via AWS SES and SMTP

Node.js wrapper around Python's dkim.verify function which conforms to RFC spec

Email authentication library for Node.js

Basic tool for inspecting SPF record (fork of spf-master)

Dataclick Olimpo - JuNeDNS Server

Temp mail address and SPF - DKIM checker

a node wrapper for mxtoolbox api

SPF checking middleware for Usemail

SPF validator

SPF Validator checks the Sender Policy Framework (SPF) DNS record for a domain to verify if it’s valid and optionally whether a given IP address is authorized to send emails for that domain.

Express middleware that handles SPF requests

An open-source mail sending service, you can use it to send emails from your own server.

[RFC4408]: https://tools.ietf.org/html/rfc4408 [RFC4408-2.5]: https://tools.ietf.org/html/rfc4408#section-2.5

Parse IP addresses from SPF records.

Simple spf checker tool