MailCue is a comprehensive, all-in-one email testing server conveniently encapsulated within a single Docker container, offering a superior alternative to basic catch-all SMTP solutions. It delivers a fully-featured mail stack, incorporating powerful components such as Postfix, Dovecot, SpamAssassin for spam filtering, and robust DKIM/DMARC verification, all managed through a sleek, modern React user interface. With MailCue, developers can meticulously test their email workflows to precisely mimic production behavior, utilizing full IMAP/POP3 access, API injection, real-time event monitoring, and GPG encryption support. This makes MailCue an indispensable tool for efficient local development, reliable CI/CD pipelines, and ultimately, ensuring the dependable delivery of all your critical transactional emails.
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Launch Team / Built with
Launch Date:
April 27, 2026
Product Info