Posteo
Input—per 1M tokens
Output—per 1M tokens
Context—tokens
WeightsClosed
About
Posteo is ranked #27 of 29 in private email services on Inferse, made by Posteo (Berlin, Germany). It runs on Web, Windows, iOS, Android. There is no free plan.
Compared on private email services
- End-to-end encryption
- Yesgithub.com
- Mailbox storage
- 4 GBgithub.com
Facts
- End-to-end encryption
- Yesgithub.com · 15 Sept 2026
- Mailbox storage
- 4github.com · 15 Sept 2026
Company
- Headquarters
- Berlin, Germanyposteo.de · 28 Sept 2026
Best Posteo alternatives
See all 12
6.8 Aster Mail $2.42/mo first paid tier Free plan Open source
6.0 eclipso Mail Europe €149/mo first paid tier Free plan 
6.0 Proton Mail Free free plan, no paid price published Free plan 
6.0 Thelemail €2/mo first paid tier Free plan 
6.0 Tuta Mail €3/mo first paid tier Free plan 
5.9 Mailo €1.50/mo first paid tier Free plan 
Where it ranks on Inferse
- Best Private Email Services in 2026#27 of 29
- Best Secure Email Providers in 2026#28 of 28
- Best Email Providers in 2026#26 of 28
Sources
- github.com/posteo· checked 15 Sept 2026
- posteo.de· checked 28 Sept 2026
- vuink.com/post/cbfgrb-d-dqr/en/blog/new-posteo-do· checked 15 Sept 2026