Posteo is an email service provider based in Berlin, Germany, offering paid email accounts for individuals and businesses. The service gained prominence during the aftermath of the post-2013 global surveillance disclosures,^[2][3] especially for its high standard security features and relative anonymity as it does not require any private information in the registration process.^[2]

You can help expand this article with text translated from the corresponding article in German. (November 2014) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 9,120 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Posteo]]; see its history for attribution. You may also add the template {{Translated|de|Posteo}} to the talk page. For more guidance, see Wikipedia:Translation.

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Posteo

Type of site	Webmail
Available in	Over 60 languages
Owner	Patrik & Sabrina Löhr
URL	posteo.de
Commercial	Yes
Users	More than 500,000[1]
Launched	2009; 15 years ago (2009)

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Posteo offers support for DNSSEC/DANE and PGP (through Mailvelope in the web interface, which is running open source Roundcube). Additionally, they offer two-factor-authentication via TOTP, Extended Validation certificates, HPKP for the HTTPS connection, and various themes to choose from, including dark mode.^[4]

In 2022, Posteo had more than 500,000 active mail accounts.^[1]

• Comparison of webmail providers