When testing out different parts of the Postscript setup, such as a keyword, a desktop or mobile popup, or even a campaign or automation, we often see merchants opting in and out of their own store using the STOP keyword reply.
When someone replies STOP to a message, they are blocking all future communications from that toll-free number or short code. To unblock messages, reply START or UNSTOP.
Once you have done this, you can test your keyword, popup, campaigns, or automations and should receive messages again.
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