Carbonio (Zextras)
Software from Free (paid support). Based in Italy.
Last checked 25 October 2026
I don't star-rate self-hosted software, because the cost and privacy depend on where you run it.
Key facts
- Cheapest plan
- Software
Free (paid support) - Free plan
- Yes, Community Edition
- Storage
- Not confirmed
- Your own domain
- ✓ Yes
- End-to-end encryption
- No
- Company based in
- Italy
- Your data is kept in
- Your own server
- Founded
- 2004 (as Studio Storti)
- Free trial
- Unknown
- Funded by advertising
- No
- Works in any mail app
- ✓ IMAP and SMTP
- Calendar and contacts
- ✓ Yes
- Aliases
- Yes
- Open-source apps
- ✓ Yes
- Sign up without ID
- No
- White label
- Unknown
- Reader offer
- None
Not rated: self-hosted software
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Reviews
Nothing yet
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These are other people's ratings, taken from each site on the date shown. They don't change my stars, which come only from the facts.
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Features
Not checked yet
- Your own domain✓ Yes
- Works in any mail app (IMAP)✓ Yes
- Calendar and contacts✓ Yes
- Open source✓ Yes
- White label (resell as your own)Unknown Suggest an edit
- Two-step sign-inUnknown Suggest an edit
- PasskeysUnknown Suggest an edit
- PGP encryptionUnknown Suggest an edit
- Password-protected email to anyoneUnknown Suggest an edit
- Catch-all addressUnknown Suggest an edit
- Filters and rulesUnknown Suggest an edit
- Sieve filtersUnknown Suggest an edit
- Auto-replyUnknown Suggest an edit
- Scheduled sendUnknown Suggest an edit
- Undo sendUnknown Suggest an edit
- Import from another providerUnknown Suggest an edit
- Mobile appsUnknown Suggest an edit
- Desktop appUnknown Suggest an edit
- POP3Unknown Suggest an edit
- CalDAV and CardDAV syncUnknown Suggest an edit
- JMAPUnknown Suggest an edit
- Tor (onion) addressUnknown Suggest an edit
- Pay with cash or cryptoUnknown Suggest an edit
- Export all your mailUnknown Suggest an edit
- APIUnknown Suggest an edit
- AI featuresUnknown Suggest an edit
- Single sign-on (SSO)Unknown Suggest an edit
Policies and contacts
2 of 5 found
- Privacy policy
- zextras.com/website-privacy-legal
- Acceptable use policy
- Unknown Suggest an edit
- Terms of service
- Unknown Suggest an edit
- Report abuse
- Unknown Suggest an edit
- Contact
- zextras.com/about-us#contact
Company and servers
Founded, owner, servers, uptime and blocklists
- Founded
- 2004 (as Studio Storti)
- Domain first registered
- 2011 (zextras.com)
- Website hosted in
- United States (Amazon.com, Inc.)
Only the website. Where your mail is kept is under Your data is kept in. - Name servers run by
- DNS Made Easy
- DNSSEC
- Not signed
- IPv6
- Not yet
- Website certificate
- Amazon · TLS 1.3
- Home page answered in
- 390 ms · HTTPS with HSTS
My automatic checks last ran on 31 October 2026. Server countries come from their IP addresses (IP geolocation by DB-IP), and big providers often run servers in many countries. Blocklists are the free lists that answer public look-ups.
News
Latest headlines
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All Carbonio (Zextras) news · News by RSS
From Carbonio (Zextras)'s own blog and social accounts, and from tech and security news sites. I show the headline and its first few lines, and link to the full story where it was published.
Price history
No price yet
I haven't confirmed a price yet.
Sources
1 source
Suggest an edit
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