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SMS opt-out and resubscribe

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Customers can stop or restart SMS messages by replying with simple keywords.

SortScape automatically applies these requests and sends a short confirmation so they know it worked.

This ensures customers can control their messages and helps keep SMS delivery reliable.


Customers can reply with messages like:

  • STOP, END, CANCEL, UNSUBSCRIBE

  • or phrases like “stop texting me” What happens:

  • The number is unsubscribed

  • You cannot send SMS to them anymore

  • They receive a one-time confirmation: You have been unsubscribed and will no longer receive messages from this business. Reply START to resubscribe.


Customers can reply with:

  • START, UNSTOP, SUBSCRIBE What happens:

  • SMS is re-enabled for that number

  • They receive a one-time confirmation: You’re now subscribed and may receive messages from this business again. Reply STOP to unsubscribe.