How to check whether the other party has received the short message sent by privacy protection in 360 security guards?

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360 Security Guard is a powerful, effective and popular security antivirus software launched by Qihoo 360 Company. 360 security guards have many functions, such as killing Trojans, cleaning plug-ins, fixing loopholes, computer physical examination, computer rescue, privacy protection, computer experts, cleaning up garbage and cleaning up traces. They created unique functions such as "Trojan firewall" and "360 secret disk". Relying on preemptive detection and cloud authentication, they can comprehensively and intelligently intercept all kinds of Trojans and protect users' accounts, privacy and other important information. Because 360 security guards are extremely convenient and practical to use, users have an excellent reputation.