The purpose of the article is to identify the theoretical foundations of the implementation of E-Mail projects in the process of teaching foreign languages; to analyze the results of implemented E-Mail projects; to encourage the implementation of similar projects in order to create conditions for intercultural interaction of students, to determine the role of partner teachers organizing international E-Mail projects. Statistical processing and visualization of data was carried out using the automatic calculation of the Student's t-test and the Microsoft Office 2019 package. The survey was conducted among 85 secondary school students aged 12 to 15 years who study German as a second foreign language; 25 coordinators of international E-Mail projects -- teachers of German, undergraduates and students of the Department of German Philology of the Institute of Philology, Journalism and Intercultural Communication of the Southern Federal University. The conducted testing revealed positive aspects of the introduction of international E-Mail projects in the process of teaching.