Soverin
by Soverin
What Soverin is
Soverin provides private email hosting with custom domains, mailbox aliases, and calendar and contact synchronization. Its Private mailbox plan costs €3.25 per month, billed annually, and includes 25 GB of storage and unlimited aliases. The service supports end-to-end encryption and works on Android, iOS, and the web. Mail protocols include IMAP, SMTP, CalDAV, and CardDAV, and Soverin lists compatibility with Apple Mail, Microsoft Outlook, Thunderbird, Airmail, Roundcube, and Aurora webmail. It uses encrypted connections, removes the sender’s personal IP address from email headers, and offers optional two-factor authentication; administrators can require it for managed accounts. Soverin says its servers are in Europe, with three redundant data centers in the Netherlands specified on its business feature page. Business tools include configurable mailbox counts and storage, mail groups, shared calendars, and a unified user dashboard. It has no free plan or trial, but offers a 30-day mailbox money-back guarantee. Soverin was founded in 2014 and is headquartered in Amsterdam.
Who it suits
Soverin may suit individuals and organizations seeking custom-domain email, aliases, and calendar and contact synchronization. Its business features also address hosting companies, resellers, MSPs, ISPs, and small and medium businesses.
What it does well
- Private mailbox includes 25 GB of storage.
- Unlimited aliases are included.
- Supports IMAP, SMTP, CalDAV, and CardDAV.
- Offers optional two-factor authentication.
- Mailbox purchases have a 30-day money-back guarantee.
What to know first
- There is no free plan.
- There is no free trial.
- Private mailbox costs €3.25 per month, billed annually.
- Purchased domains are not refunded.
Limits
The Private mailbox includes 25 GB of storage. Additional mailboxes share the storage on the domain, and there is no free plan or trial.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Private mailbox | billed annually · 25 GB mailbox storage · Unlimited aliases · Calendar and contact synchronization · Hosted in Europe · 30-day money-back guarantee | €3.25 a month |
| Additional mailbox | €10 per year · Shares storage on your domain | €10 a year |
| .EU domain | €13 per year; price includes VAT · Domain registration | €13 a year |
| .NL domain | €13 per year; price includes VAT · Domain registration | €13 a year |
| .COM domain | €18 per year; price includes VAT · Domain registration | €18 a year |
| Mailbox + .NL domain | €52 total per year; mailbox and .nl domain · 25 GB storage · unlimited aliases · domain costs €13/year | €52 a year |
As soverin.com lists them, read 15 Sept 2026. The maker's own page has the final word.
Getting started
- Open the Soverin website
- Choose a mailbox, additional mailbox, or domain plan
- Register or connect your custom domain
- Set up the mailbox and aliases
- Connect an app using IMAP, SMTP, CalDAV, or CardDAV
- Enable two-factor authentication if desired
Verdict
Soverin combines custom-domain email with aliases, synchronization, and support for common mail protocols. The service requires a paid plan and has no trial, although mailbox purchases have a 30-day money-back guarantee.
Questions
How much does Soverin cost?
The Private mailbox plan costs €3.25 per user per month when billed annually. Additional mailboxes cost €10 per year; domains cost €13 per year for .EU or .NL and €18 per year for .COM.
Which platforms and mail apps are supported?
Soverin works on Android, iOS, and the web. It supports Apple Mail, Microsoft Outlook, Thunderbird, Airmail, Roundcube, and Aurora webmail.
Does Soverin support custom domains and aliases?
Yes. Custom domains are supported, and a mailbox includes unlimited aliases.
Does Soverin offer a free plan or trial?
No. Soverin has no free plan and no free trial, but the mailbox includes a 30-day money-back guarantee.
Which protocols does Soverin support?
Soverin lists IMAP, SMTP, CalDAV, and CardDAV compatibility.
Can customers move their email and domain?
Soverin says customers can import or export email and take their own domain and email address with them.
Facts from Soverin's own pages
- Account security
- Users can enable two-factor authentication, and an administrator can require it for managed accounts. · soverin.com, 8 Oct 2026
- Business features
- Business features include configurable mailbox counts and storage, mail groups, shared calendars, and a unified user dashboard. · soverin.com, 8 Oct 2026
- Certifications
- Soverin lists ISO 27001, ISO 14001, and ISO 9001 certifications and says NEN 7510 is in progress. · soverin.com, 8 Oct 2026
- Custom domain
- Yes · soverin.com, 15 Sept 2026
- Email apps
- Soverin says it works with Apple Mail, Microsoft Outlook, Thunderbird, and Airmail, as well as Roundcube and Aurora webmail. · soverin.com, 8 Oct 2026
- End-to-end encryption
- Yes · soverin.com, 15 Sept 2026
- Founded
- 2014 · soverin.com, 28 Sept 2026
- Free plan
- No · soverin.com, 15 Sept 2026
- Headquarters
- Amsterdam, Netherlands · soverin.com, 28 Sept 2026
- Hosting
- Soverin says its servers are located in Europe and its business feature page specifies three redundant data centers in the Netherlands. · soverin.com, 8 Oct 2026
- Mailbox storage
- 25 · soverin.com, 15 Sept 2026
- Mail protocol support
- imap_smtp · soverin.com, 15 Sept 2026
- No lock-in
- Soverin says customers can take their own domain and email address with them and import or export their email. · soverin.com, 8 Oct 2026
- Product
- Soverin provides private email hosting with custom domains, mailbox aliases, and calendar and contact synchronization. · soverin.com, 8 Oct 2026
- Protocols
- Soverin lists IMAP, SMTP, CalDAV, and CardDAV compatibility. · soverin.com, 8 Oct 2026
- Security
- Soverin says it uses encrypted connections and removes the sender's personal IP address from email headers. · soverin.com, 8 Oct 2026
- Storage and aliases
- A mailbox includes 25 GB of storage and unlimited aliases. · soverin.com, 8 Oct 2026
- Support
- Soverin offers personal support by email. · soverin.com, 8 Oct 2026
- Trial and refund
- Soverin says it has no trial, offers a 30-day mailbox money-back guarantee, and does not refund purchased domains. · soverin.com, 8 Oct 2026
- Who it serves
- Soverin describes its email service for individuals, hosting companies, resellers, MSPs, ISPs, and small and medium businesses. · soverin.com, 8 Oct 2026
Where Soverin stands on Freedom251
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