Secure SMS Proxy (S2MSP) icon
Secure SMS Proxy (S2MSP) icon

Secure SMS Proxy (S2MSP)

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:closed_lock_with_key: Secure way to support send and receive SMS for android applications on single phone number base.

Secure SMS Proxy (S2MSP) screenshot 1
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Secure SMS Proxy (S2MSP) screenshot 3

License model

  • FreeOpen Source

Platforms

  • Android  [https://github.com/frimtec/secure-sms-proxy/releases](https://github.com/frimtec/secure-sms-proxy/releases)
  • F-Droid  [https://apt.izzysoft.de/fdroid/index/apk/com.github.frimtec.android.securesmsproxy](https://apt.izzysoft.de/fdroid/index/apk/com.github.frimtec.android.securesmsproxy)
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Secure SMS Proxy (S2MSP) information

  • Developed by

    frimtec
  • Licensing

    Open Source (Apache-2.0) and Free product.
  • Written in

  • Alternatives

    5 alternatives listed
  • Supported Languages

    • English
    • German
    • French
    • Italian

GitHub repository

  •  43 Stars
  •  2 Forks
  •  0 Open Issues
  •   Updated Jan 6, 2025 
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Secure SMS Proxy (S2MSP) was added to AlternativeTo by Sam Lander on Jul 7, 2024 and this page was last updated Jul 7, 2024.
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What is Secure SMS Proxy (S2MSP)?

S2MSP acts like a local firewall for SMS communication.

Each application that wants to send/receive SMS to a phone number can register itself on S2MSP. S2MSP asks the user for permission, whether the requesting application is allowed to send/receive SMS from and to the requested phone numbers or not.

All SMS exchanged with third party applications are strongly encrypted.

S2SMP itself requires SMS permissions (SEND_SMS and RECEIVE_SMS) from the Android system and will request these permissions upon startup. S2MSP does not need any other permissions. This ensures the integrity and security of S2MSP.

The API to integrate a third party application with S2MSP is available in Maven-Central.