Opt-in service suggests that the customer has given his consent to receiving the message and you are not sending messages to him/her at random. Opt-out on the other hand refers to withdrawing from the SMS service you earlier gave your consent to.

Msg91 follows policy and permission based SMS marketing and makes SMS marketing a more personal experience since customers can easily opt-in and opt-out of messaging campaigns according to their convenience. Therefore, now get only niche audience that is actually interested in your product and services.

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