electronic mail service; e-mail system
Refers to the service or system of electronic mail, often used in contexts comparing it to traditional postal mail. Cross-referenced with 電子メール.
See also: 電子メール
Electronic mail services existed even before the Internet became widespread.
At the company, we send important documents via electronic mail.
letter facsimile service (Japan Post)
A specific service operated by Japan Post that delivers facsimile letters. Cross-referenced with レタックス. This is a specialized postal service, not general e-mail.
See also: レタックス
Electronic mail is a service where you send letters by facsimile from the post office.