our cx have noticed that the delivery rate dropped enormously to 50MPS(normally 500mps) after 9pm everyday.
They are making inquiries that if Singapore forbids sending promotional messages after 9pm everyday.
Would anyone kindly tell me
您未登录。 登录 发布回答。
一个好的回答可以清楚地解答问题和提供建设性反馈,并能促进提问者的职业发展。