"Be receipt of" is a grammatically incorrect phrase, as it lacks a verb. However, if the correct phrase is "to be in receipt of," it can be spelled phonetically as /tʊ bi ɪn rɪˈsiːt ʌv/. This means to have received something, such as an email or package. The proper use and spelling of this phrase is important in professional communication, as it conveys an understanding of proper grammar and attention to detail.