MailMoxie: Email Deliverability Testing Platform & Consulting

We offer one platform that covers all email-related needs in one place: testing, sending, and in-depth tracking to control how email infrastructure works and performs.

Litmus is a testing service for web and marketing professionals. It allows people to cross-browser test their websites, and test their email newsletters across a range of email clients and spam filters.

Email on Acid is the most affordable, self-serve email testing platform in the world. We can help you maximize the success of your email marketing efforts by diagnosing and improving your renderability, deliverability, click-throughs and conversions.

It is an email testing tool for developers. You can configure your application to use MailHog for SMTP delivery. You can view messages in the web UI, or retrieve them with the JSON API.

For the best HTML e-mail delivery results, CSS should be inline. This is a huge pain and a simple newsletter becomes un-managable very quickly. This script is the solution.

It runs a super simple SMTP server which catches any message sent to it to display in a web interface. It catches all mail and stores it for display. It shows HTML, Plain Text and Source version of messages, as applicable.

Automate email and SMS tests, like account verification and password resets, using any language or testing framework using the Mailosaur API. Stop email being delivered to customers using fake SMTP servers.

Mailinator is a disposable email service that allows QA departments to test with 1000's of inboxes.

MailSlurp is an end-to-end email testing service. It has a web-app for managing your account and a REST API for sending and receiving emails from randomly generated email addresses.

It automates end-to-end email tests with a powerful GraphQL API and unlimited private email addresses and inboxes, test new user signups, transactional emails, drip campaigns, deliverability, spam scores, etc.

It is an SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

It is an Email testing and Email preview tool to test emails on several devices, screen sizes, and email clients. It checks your email for broken HTML, and accessibility issues, preview the email from the notification bar, displays the reading time of your email, and improves readability.

It is an online service that helps you create email templates and test them on dozens different physical devices and applications.

Disposable email and fake email capture for QA and development teams

Get US-IP Google & Microsoft Workspace accounts from $2.5. 95% inbox delivery. Works with SmartLead, Instantly, Lemlist, SalesForge, Warmy & more.

MTN Email Verifier is a high-performance tool for ensuring that your email communications reach the right inboxes every time. With the rise of email marketing and automated outreach, maintaining a clean list of deliverable email addresses is crucial. MTN Email Verifier combines syntax validation, domain checks, and server-level SMTP verification to deliver a reliable, real-time solution.

Send emails that don't end up in the spam folder. Find out if your email is likely to trigger spam filters. Run a free email spam and security test in less than one minute.

The InboxSDK is a high level Javascript library used to easily build browser extensions that interact with both Gmail and Inbox by Google. It provides all of the necessary APIs to create full-fledged applications directly inside Gmail and Inbox. Because the SDK is fully maintained and evergreen, you’ll never be forced to maintain your app.

An AI-powered email client that instantly cuts your inbox in half, provides an AI Personal Assistant, Extracts key information, manages tasks and more

SafeTemp.email lets you create free disposable temporary email addresses (temp mail) in seconds. Receive verification emails anonymously, block spam, and protect your real inbox. No signup required.

Get a free disposable email address with Temp Mailin. Instantly receive emails, block spam, and protect your privacy. No registration needed.

DMARC (Domain-based Message Authentication, Reporting & Conformance) helps protect your domain from email spoofing and phishing. When you enable DMARC on your domain, email providers like Gmail, Outlook, and Yahoo send you aggregate reports showing: - Who's sending email claiming to be from your domain - Which emails passed or failed authentication (SPF/DKIM) - How many emails were sent, and from which IP addresses - Whether malicious actors are trying to impersonate your domain The Problem: These reports arrive as compressed XML attachments in your inbox - nearly impossible to read or analyze manually. The Solution: Parse DMARC automatically fetches these reports from your inbox, parses them, and displays everything in a beautiful dashboard. All in a single 14MB Docker image.

MIA (Marketing Inbox Assistant) uses AI to automatically process marketing email responses, instantly routing high-intent leads to sales and handling compliance requests like opt-outs. It enriches your database from email signatures and out-of-office replies while supporting 60+ languages. MIA integrates with major platforms like Marketo, HubSpot, Salesforce, Google, and Outlook to eliminate manual inbox management.

KokoQuest helps users discover and build lists of real companies that match highly specific business criteria. It supports natural-language searches for manufacturers, suppliers, service providers, partners, or customers, and returns ranked company lists with relevance scoring. KokoQuest covers the full workflow from company discovery to contact enrichment and email drafting, allowing users to go from search intent to outreach-ready leads in one place. Through its Gmail integration, the AI can translate a user’s intent into a ranked list of relevant companies, automatically enrich each with contact details, and draft a personalized email ready to send directly from Gmail. Unlike static lead databases, KokoQuest is designed for niche and hard-to-define markets where coverage is inconsistent or incomplete. It is useful for finding regional providers, contract manufacturers, private-label partners, and specialized B2B services that are often missing from traditional sales tools.

Temp Email Now is a free, privacy-focused web service that provides instant disposable email addresses for OTPs, verification emails, and sign-ups. It works entirely in the browser with no registration, no personal data, and no tracking. Users can generate temporary inboxes instantly, receive emails in real time, and avoid spam while staying anonymous. Temp Email Now is designed for developers, testers, marketers, and privacy-conscious users who need fast, reliable temporary email access without friction.

Your inbox, organized. Your replies drafted. Your day, under control. With Pullsy's Ai

MailArmor is an AI-powered email security platform for SMBs in India. It integrates with Microsoft 365 in 5 minutes, complies with CERT-In & DPDP, and protects against phishing, malware, and BEC. ₹150/user/month. Free trial.

Tempemail.cc is a free online service designed to provide users with temporary, disposable email addresses. Its primary function is to protect your primary inbox from spam, marketing emails, and potential privacy risks by acting as a buffer between your real identity and various online services.

You keep checking your inbox—just in case. OWL lets you stop. Get push alerts for the VIP emails you define. Everything else can wait.

Email Deliverability Solutions (Analytics + Managed Services). We’ve helped 16,000+ companies like TikTok & HSBC land over 30B emails in customer inboxes.

A complete suite of deliverability tools & services makes it easy to get back in the inbox.

(formerly Clawdbot) - AI that does things. Manages inbox, emails, calendar via WhatsApp, Telegram, Discord. Open source.

It is an E2E email testing platform. It allows you to receive emails with code and automate email flows. You get a unique subdomain and access to unlimited custom email addresses.

It is a one stop email testing platform which helps improve the emails being sent from application and reduce the costs associated with email workflow testing.