I’m not sure what "mmsbee%2Cmom" refers to — it looks like a URL-encoded string ("mmsbee,mom") or a compound token. I’ll make a reasonable assumption and provide two concise, different interpretations so one matches what you want; pick the one you intended or tell me which to expand.
: It has been linked to the delivery of malicious links or malware through multimedia messages. Prevention mmsbee%2Cmom
A core "feature" mentioned in community discussions is the feedback system: I’m not sure what "mmsbee%2Cmom" refers to —