| What it does | Watch over your email domain with free DMARC, SPF and DKIM checking and AI analysis
| Free, open source email client with mail, calendar, contacts and AI
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Open source
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| Pricing | Not given
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| Key features | - AI-powered plain-English analysis of email records
- Daily DMARC report collection from major receivers
- Automated alerts when domain configuration changes
- Single DNS line setup for monitoring
- Services detection showing who is authorized to send as your domain
| - Mail over IMAP or POP3 with search by sender, date and attachments
- Calendar with CalDAV sync in day, week, month and year views
- Contacts with CardDAV sync with email, phone, company and birthday fields
- Read receipts showing Delivered, Opened or Bounced status
- AI summaries, replies and questions using your own API key
- Message and reply translation between languages
- Custom signature for each mailbox
- Built-in settings for Gmail, iCloud, Outlook, Yahoo, Fastmail, Zoho, GMX, Yandex and Proton Bridge
- Open source template for building branded mail clients
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| What makes it different | - Plain-English AI analysis instead of cryptic checkmarks
- Fully automated DMARC report parsing without manual XML review
- Preserves existing DMARC policy when adding monitoring
- Designed for domain owners without compliance budgets
| - Free and open source under MIT licence with no restrictions on use, modification or resale
- Works with any IMAP or POP3 mailbox including Gmail, iCloud, Outlook and others
- Calendar and contacts integrated in the same window with mail
- Bring your own AI from Anthropic, OpenAI, Google, xAI or Perplexity
- Build your own branded desktop app by customising the open source template
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 20 ● no change since last check | 11 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 0 | 2 |
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| Citation Flow (Majestic) | 19 | 28 |
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| Referring domains (Majestic) | 36 | 41 |
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dmarc.quest
CitrusMail