SPF validator
Stream Processing Framework for Video.js 10
SPF validator
Sender Policy Framework (SPF) plugin for Haraka
Email authentication library for Node.js
Example SPF check and rate limit plugin for Zone-MTA.
A lightweight JS framework for fast navigation and page updates from YouTube
Parse SPF (Sender Polify Framework) records
A Sender Policy Framework validator
Used to validate SPF records
Provide multiple configurable strategies to detect, validate, and process email bounces
A simple free transactional email package built for Vercel Edge functions
Collection of utilities for checking email configuration settings.
Parses and compiles CSS nth-checks to highly optimized functions.
Error comparison and information related utility for node and the browser
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
MCP server for Inbox Check — programmatic email deliverability testing across 9 providers (Gmail, Outlook, Yahoo, iCloud, AOL, GMX, T-Online, Mail.ru, Yandex) for AI agents.
Property based testing framework for JavaScript (like QuickCheck)
CLI tool to check SPF, DMARC and MX records for any domain
Check if a path is a file, directory, or symlink
SPF, DKIM, DMARC, ARC, BIMI validator for Haraka
@firebase/app-check-interop-types Types
A compat App Check package for new firebase packages
The App Check component of the Firebase JS SDK
Coppertone includes tools for parsing SPF DNS records, evaluating the result of SPF checks for received emails, and creating appropriate email headers from SPF results.
Ruby client for the DNS Robot API — DNS lookups, WHOIS, SSL checks, SPF/DKIM/DMARC validation, and more. No API key required. Zero external dependencies.
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