pen pal

Translations
друг по переписке
He has a pen pal from France.
У него есть друг по переписке из Франции.
Definitions
A pen pal is a person with whom one exchanges letters or emails regularly, often for the purpose of friendship, cultural exchange, or language practice, typically without having met in person.
Words
pal

noun
приятель
pen

noun
ручка