Lettermint is a platform designed for handling email communications, including transactional delivery, broadcast newsletters, marketing campaigns, and inbound email processing. It provides a range of integrations and official SDKs to facilitate seamless email delivery for developers and businesses seeking to manage critical communications and automate their email workflows.
The service offers official integrations with popular frameworks and platforms such as Laravel, PHP, Node.js, WordPress, Nuxt, Python, Go, Magento, and Java. These integrations enable users to connect Lettermint with their websites or applications to manage and send transactional emails efficiently. The WordPress plugin, for example, is tailored for managing emails from WordPress sites and WooCommerce stores. Lettermint also supports SMTP, allowing compatibility with a wide range of applications that use this protocol for email delivery.
Automation is a key feature, with integrations available for Zapier and Make. These allow users to connect Lettermint with thousands of other apps to automate sending transactional emails, process form submissions from Tally, update notifications from Google Sheets, and handle customer emails for WooCommerce. Additional integrations include Listmonk and Mailcoach for sending newsletters and campaigns, and Stripe for sending transactional emails directly from the Stripe Dashboard. Community-built integrations further extend support to platforms such as .NET, Elixir (via Swoosh Adapter), Craft CMS, Symfony Mailer (with API and SMTP support), Flarum, Ruby, and a JavaScript/TypeScript Email SDK.
Lettermint emphasizes developer support through comprehensive SDKs, API documentation, a knowledge base, and a support center. The platform states its compliance with GDPR and indicates that ISO 27001 certification is forthcoming. Pricing information is available, and users are invited to start for free. Lettermint is operated by Lettermint B.V. and is based in Europe.
In the Email & inbox space, Lettermint takes a focused approach. It focuses on ensuring reliable and professional email delivery for WordPress sites by routing emails through a dedicated service. Lettermint is a B2B product aimed at wordPress site administrators and developers. Lettermint follows a freemium model. It runs on the web and the command line.
It is developed by Lettermint, and the product first shipped in 2025. Among its 7 catalogued features are transactional email delivery, wp_mail integration, and GDPR compliance. The interface is available in Danish and English.
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