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Self-hosted alternatives to Titan Email

Titan Email is a hosted business email service for custom domains with templates, scheduled send, follow-up reminders and a shared calendar. One listed app does its main job and runs in your own Cloudflare account.

Each answer comes from the app’s README and source code, compared with the features Titan Email describes on its own site.

  • Mailflare inbox under a custom brand name, with an open message and the compose window

    Self-hosted webmail for your own domains, with routing rules, a calendar and an AI assistant whose drafts need approval

    Deploy
    One-click
    License
    AGPL-3.0
    GitHub stars
    4.6k stars
    Last commit

Titan Email features, app by app

FeatureMailflare
Business email on your own domainYes
Email threadingYes
Scheduled sendYes
Reusable email templatesNo
Read receiptsNo
Follow-up remindersPartly
Smart filters and custom foldersYes
Anti-spam protectionYes

Self-hosted webmail for your own domains, with routing rules, a calendar and an AI assistant whose drafts need approval

What a Titan Email user would miss
It has no saved templates, no read receipts and no reminder for messages that get no reply.
What it adds
The calendar adds a public booking page, and mail and attachments stay in your own Cloudflare account.
  • Yes Business email on your own domain. Multiple domains, mailboxes and aliases.
  • Yes Email threading. Conversation view with thread grouping.
  • Yes Scheduled send. Schedule-send menu in the composer.
  • No Reusable email templates. No saved reply templates listed in the README or docs.
  • No Read receipts. Not listed in the README or docs.
  • Partly Follow-up reminders. Snooze, no reminder when a message gets no reply.
  • Yes Smart filters and custom folders. Folders, stars and routing rules.
  • Yes Anti-spam protection. Local spam scoring, Spam folder and training.

Sources:github.com/hieunc229/mailflare#what-you-can-dogithub.com/hieunc229/mailflare/blob/main/docs/api.mdgithub.com/hieunc229/mailflare/blob/main/docs/providers.mdworkersnative.directory/api/apps/mailflaregithub.com/hieunc229/mailflare/blob/main/docs/spam-protection.md