Email that stays private
sipost.de is a secure email service hosted in Germany. Your messages are encrypted, your data is not for sale, and you keep using the mail apps you already know.
What you get
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Encrypted by default
Connections are protected with TLS, and mailboxes are stored encrypted. OpenPGP is supported for end-to-end encryption.
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Hosted in Germany
Servers run in German data centres and are operated under the GDPR. No data is transferred to third countries.
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No ads, no tracking
We don't read, profile or sell your mail. The service is funded by its users, not by advertisers.
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Open standards
Use any app that speaks IMAP and SMTP — Thunderbird, K-9 Mail, Apple Mail or Outlook.
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Two-factor sign-in
Protect your account with a TOTP code or a hardware security key.
How we protect your mail
Protection on three levels:
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In transit
Mail between servers travels over TLS; where the other side supports it, we enforce this with MTA-STS and DANE.
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At rest
Mailbox storage is encrypted, and backups are encrypted before they leave the server.
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End to end
With OpenPGP, only you and your recipients can read a message — not even we can.
Frequently asked questions
Can sipost.de read my email?
Messages encrypted end to end with OpenPGP cannot be read by us. All other messages are stored encrypted, and staff do not access mailboxes unless German law requires it.
Which mail apps can I use?
Any app that supports IMAP and SMTP, on desktop and mobile. Webmail works in every current browser.
Where is my data stored?
Exclusively on servers in Germany.
How do I get an account?
Write to us at the address below and we will create an individual quote for you!
Get started
Write to us — we will create your mailbox and help you set up your devices.
Write to us kontakt@sipost.de