Best 10 ImprovMX Alternatives in 2025

Resend is an email API service that helps developers send emails from their applications. Think of it as the delivery system for your app's emails - whether that's password resets, welcome messages, or marketing campaigns.

Mailgun is a cloud-based email delivery service designed specifically for developers and businesses who need to send emails programmatically through their applications. Think of it as the engine that powers email functionality in websites and apps - from simple contact forms to complex automated email workflows.

Maileroo is a cloud-based email service that helps you send and track emails from your website, app, or business. It works as both an SMTP service for sending regular emails like password resets and order confirmations, and as an email marketing platform for sending newsletters and campaigns.

SendGrid is a complete email delivery system that works in the cloud. You can use it in two ways: through an API for automatic emails from your website or app, or through a user interface for creating marketing campaigns.

Moosend is a cloud-based email marketing tool that lets you design and send email campaigns to your customers. You can create newsletters, promotional emails, and automated messages using a drag-and-drop editor that requires no coding skills.

MailerSend is a cloud-based email service that focuses on sending emails automatically from your apps or websites. Unlike regular email services for marketing campaigns, MailerSend specializes in sending individual messages triggered by user actions.

Mailchimp is a complete marketing platform that focuses on email marketing. You can use it to design emails, send campaigns to thousands of people at once, and see how many people open or click your emails. The platform also offers automation, which means you can set up emails to send automatically based on customer actions.

Mailtrap is a dual-purpose email platform. First, it offers Email Sandbox, which acts as a fake email server that captures all test emails from your development or staging environment. You can inspect every detail of these emails without sending them to real people. This prevents accidental emails to customers during testing.

Zoho Mail is a complete email solution for businesses that need professional communication tools. You get your own branded email address using your company domain name, which looks more professional than free email services. The platform includes a clean inbox without any advertisements or distractions.

SENDUNE is a tool that connects to your Amazon Web Services account to send emails and text messages. You can send marketing emails to customers, important business messages like password resets, and text messages all from one place.