Best 1 Email Deliverability Tools to use in 2026
Platforms that help monitor and improve email deliverability by analyzing spam scores, sender reputation, and inbox placement.

Mailtrap
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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.
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