When it comes to sending physical mail, the term "letter post" is commonly used. However, there are a variety of synonyms that can be used to refer to this type of mail. Some alternatives include "letter mail," "correspondence," "snail mail," and "postal service." These synonyms are all used to describe the exchange of physical letters and documents through the postal system. While the use of digital communication has become increasingly popular in recent years, there is still a need for traditional mail services. Whether you're mailing a personal letter or important documents, a synonym for "letter post" can help you communicate your needs more effectively.