mailnest
The world's easiest email testing tool. Save time, effort and money while concentrating on your application's core features. Capture all your test emails in one place. No more accidental sending of test emails to real customers. Add all your team members to collaborate easily. Check the spam score to ensure mails reach customer inbox for sure. Setup a virtual smtp server in 2 minutes. Test multiple scenarios without creating multiple email ids or clearing database. View source code of emails to check everything is perfect. Switch on error mode to emulate error scenarios. Preview all emails in a single place. Check for multiple device compatibility with a single click. Include email testing in your automation. No need for creating multiple email ids for various scenarios.
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SendGrid
Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard.
Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.
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testmail.app
Get unlimited email addresses and mailboxes for automating end-to-end tests with our simple APIs. Email verifications, passwordless signins, etc. Are they triggering when expected? Are emails reaching the inbox? Never spam real customers by mistake - send your test emails to {namespace}.{tag}@inbox.testmail.app. Signup to get your {namespace}. The {tag} can be anything: each tag makes a separate email, so you can create unlimited real email addresses and mailboxes on the fly by simply changing the tag! Use any HTTP or GraphQL client of your choice in any language or environment including CI/CD pipelines. Take it further with awesome features like advanced search with wildcard match, "live" queries (waiting for new emails), sorting, pagination, attachments, SpamAssassin reports, and more. Together you can create separate namespaces (and mailboxes) for each project, securely provision and retrieve API keys, share test emails, monitor usage, and manage team membership.
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Stripo.email
Stripo is an all-in-one email builder with over 1,700,000 users worldwide. We enable our clients to build emails of any complexity really fast — cutting production time by at least 3.7× — and push them to their marketing automation system with just one click. Integrated with 90+ ESPs/CRMs, including Mailchimp, HubSpot, Salesforce, Campaign Monitor, Constant Contact, Braze, SendGrid, eSputnik, Outlook, Gmail, etc.
1,700+ ready-to-use templates, modular email design, Email Translate Service, and built-in AI covering the full creative cycle — from campaign creation to copy, subject lines, images, and interactive widgets. A number of embedded micro-tools give you everything you need for emails, from photo editors to banner generators, from timers to interactivity and real-time content.
We are one of the first builders to implement the AMP4Email technology. Multiple studies show that AMP increases conversion by 5 times. With Stripo, you can build real-time content for your emails with
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