This article examines vulgarism and dialectisms, which are considered to be elements of vulgarity in personal correspondence. In the linguistic examination conducted in anonymous cases, the form, frequency, and pragmatic content of the use of non-literary elements also play a leading role in determining the age of a person. The article examines the pragmatic direction, communicative purpose, frequency of use of non-literary elements in the correspondence of individuals aged 17-27 on average, and concludes. A survey was also conducted among school-age students to study the influence of the family environment on the use of non-literal lexical elements in a child’s speech. The nature of the use of non-verbal elements in personal correspondence depends on neurological, psychological, and sociological factors. Unethical behavior can also be related to a person's emotional state. Some personal correspondence uses obscene lexical elements, some positive and some negative. Speech situation and communicative purpose also played an important role in the use of non-literary lexical items.