Best 7 Tools for Handling Email Bounces in 2026

Amazon SES is a service that sends and receives emails for your business through the internet. Instead of running your own email server, you use Amazon's system to handle everything. You can send marketing campaigns, order updates, password resets, or any other emails your application needs.

SMTP2Go is a tool that sends your emails through its secure servers instead of your regular email system. This helps avoid problems like emails going to spam or getting blocked by internet providers.

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.

Postmark is an email delivery service that sends your automated emails using modern technology. You can connect it to your website or app through their API or SMTP settings, and it handles the rest. Unlike regular email services, Postmark specializes in transactional emails - the important messages your customers expect right away.

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.

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.

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.