What is another word for mail systems?
Pronunciation: [mˈe͡ɪl sˈɪstəmz] (IPA) 
There are several synonyms for the term "mail systems" that have related meanings. One synonym for this phrase is "postage systems," which refers to the process of sending and receiving letters or parcels through postal services. Another synonym is "delivery systems," which encompasses the different methods used for transporting mail, such as traditional post, courier services, and electronic mail. Other synonyms for "mail systems" include "communication systems," which refers to channels of information and correspondence, and "postal networks," which is a more specific term that describes the infrastructure used for delivering mail, including post offices, sorting facilities, and transportation routes.
