Email middleware

2 reusable Email middleware libraries across every platform — libraries, SDKs, and drop-in systems. You should never have to know which ecosystem it lives in.

• DmarcAnalyzerApp

  by dmarc-analyzer-net · Free · github

  Open-source, self-hosted DMARC monitoring for agencies — unlimited domains, automatic report ingestion, no per-domain pricing.

  EmailSerializationSecurity   C#

• MailFathom

  by Krzysztof318 · Free · github

  A brain for your mail: MailFathom turns IMAP mailboxes into a self-hosted, AI-native service. Mail synchronizes into your own PostgreSQL, is indexed for search and retrieval, and is served to AI agents over the Model Context Protocol. Read-only today; semantic retrieval, answering, and gated write tools next. .NET 10, Apache-2.0.

  AIEmail   C#