Blocking unwanted communications via text modalities
摘要
說明書
In an example, the technique 800 can further include decreasing the trust level associated with the telephone number responsive to the sender unsuccessfully responding to the challenges. A second communication may be received from the telephone number. Responsive to the sender unsuccessfully responding to challenges transmitted in response to the second communication, the telephone number can be added to a do-not-allow list. The technique 800 can further include, responsive to receiving a third communication from the telephone number where the third communication is directed to an intended recipient, determining not to route the third communication to the intended recipient based on determining that the telephone number is in the do-not-allow list. That is, a communication from a telephone number to an intended recipient may not be routed to the intended recipient responsive to determining that the telephone number is included in a do-not-allow list.
In an example, In an example, the technique 800 can further include storing a record indicating the communication from the telephone number to the recipient. In an example, if a communication is not routed to a recipient, the technique 800 transmits a message to the sender indicating that the communication was not routed to the recipient. In an example, the technique 800 blocks communications from the telephone number for a duration that is based on a number of unsuccessful responses received from the telephone number. In an example, the technique 800 may re-transmit a challenge to the sender responsive to receiving an incorrect response to the challenge from the sender. In an example, the technique 800 may permanently block communications from the telephone number, such as based on the number of unsuccessful responses.
