2FA authentication for T-Online

How you can receive 2FA authentication codes from T-Online directly in Slack.


A leading German telecommunications provider delivering internet, phone, and TV services to individuals, businesses, and enterprises nationwide.

If you would like to use 2FA with T-Online you can use SMS to Slack to securely receive the 2FA authentication codes in Slack!


  • t-online.de


  • Germany

Supported 2FA methods

  • SMS
  • Time-based One-Time-Password

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“This was by far the simplest approach out there. The ability to generate numbers and associate them to a channel, right in Slack, was wonderfully painless. I had this setup in minutes.”

Jacob Giordano
Jacob Giordano

“We are loving the app, we use it to receive SMS notifications on shared accounts and has been a great time saver for us.”

Danielle Whetstone
Danielle Whetstone
C Squared Social

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Anthony Accomazzo
Founder at Sequin.io

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