Item logo image for Posteo SMIME

Posteo SMIME

ExtensionPrivacy & Security19 users
Item media 1 (screenshot) for Posteo SMIME

Overview

Encrypt, decrypt, sign, and verify with S/MIME in the Posteo webmailer. Your certificates (including private keys) remain on your…

Verschlüsseln, Entschlüsseln, Signieren und Verifizieren mit S/MIME im Posteo-Webmailer. Ihre Zertifikate bleiben auf Ihrem Gerät.

Details

  • Version
    0.4.3
  • Updated
    April 1, 2026
  • Offered by
    Posteo e.K.
  • Size
    19.25MiB
  • Languages
    4 languages
  • Developer
    Posteo e.K.
    Methfesselstraße 38 Berlin 10965 DE
    Email
    support@posteo.de
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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