Under what circumstances will a mobile phone automatically intercept a message sent by a person?

One: Your number is not in the other party's address book, and the interception method set by his security software is too high. I filtered you out.

Two: There are advertising keywords in the short message you sent, and there are many such words. For example. Massage, assassination, roaming, handling, certification, insurance, fidelity, preservation, registration, Honda, our company, this city, necessary, tax avoidance, other villas, villas, riverside, dial-up, casual, unlimited, wealth, finance, finance, ringtones, participation, participation, super-large, ultra-low, driving, models, gifts. Construction, big shots, grand prizes, gifts, competitions, luxury houses, intermediaries, agents, agents, taking you, lending, lending, insurance, units, days, debut, landing, waiting for you to take, waiting for you to grab, low prices, mortgage, real estate, subway, on-demand, singing, phone cards. Issue, invoice, sales, court, returned funds, real estate, loan, loan, rest assured, Fetion, Toyota, risk, service, counseling, payment, revenge, high-end cars, high-end, golf, college entrance examination, usury, opera house, more, engineering, industry and commerce,

The solution is to let the other party add your number to the [white list].