1&1 Mail

Contains ads
73.3K reviews
Content rating
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About this app

Just enter your user details and you'll always have all your 1 & 1 emails mobile.

- Optimized for 1 & 1 mail
- Mobile access to your 1 & 1 mailbox of your internet contracts
- Easy handling

Have fun with the 1 & 1 Mail App wishes you

Your 1 & 1 team

Note: This app is not compatible with IONOS by 1 & 1 contracts.
Updated on
May 14, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity and Device or other IDs
This app may collect these data types
Personal info, Messages and 8 others
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

65.2K reviews
Michael Grgich
May 6, 2020
This app unfortunately doesn't sync automatically, regardless of the option selected, therefore you never get notifications about new messages, you need to open the app and manually refresh it to check. I have already responded late to business emails because of this issue. It's hard to believe that this most basic feature would not work.
29 people found this review helpful
Mike St James
March 24, 2021
Nice to have direct app to my domain. Very sluggish when syncing, however. I have selected push notifications, but I never get any. I get notifications only when a sync has taken place between my phone client and the Ionos servers. I am using the BUSINESS upgrade that supposedly gives real-time mobile sync, but im not seeing it. Disappointed. After the security update of March 1, 2021, I've had to reinstall this app almost every time I want to use it. Constantly crashes. Unusable.
10 people found this review helpful
1&1 Telecom GmbH
March 24, 2021
Sehr geehrte(r) 1&1 Nutzer(in), die Abstürze werden wahrscheinlich durch einen Fehler im Android System WebView verursacht. Bitte installieren Sie die neuste Version (89.0.4389.105) des "Android System WebView" und "Google Chrome" aus dem PlayStore. Nach dem Update der Komponente sollte Ihre 1&1 App wieder korrekt funktionieren. Ihr 1&1 Team
A Google user
April 7, 2020
Excellent! I just wish I could add my other email addresses on this one platform. Like add my Gmail or Yahoo Etc put everything on this one app would be great. PS I also like the fact that your email platform doesn't eat up my phone's internal memory like other email addresses do. There's start off at a certain level but they eat up more and more of my phone's memory yours does not do that yours stays at a very consistent low level of memory used. Thank you!
8 people found this review helpful

What's new

✔ Empfängervorschläge verbessert und über Clients synchronisiert
✔ Geschwindigkeits- und Stabilitätsverbesserungen