A type of private courier service that delivers small packages or documents to a recipient's mailbox.

chain mail (chain letters collectively)

(Internet) contact form (as on blogs)

email newsletter

e-mail address

contact details, contact information

a contact, liaison

ferry; ferryboat

伝: legend; tradition; biography; way; method; horseback transportation-communication system under ritsuryō / 殿: mansion; honorific used after a Buddhist name

田: field / 伝: legend, tradition, life, biography, comment, communication / 殿: mansion; honorary title, rear / 電: lightning; electricity; telecommunication; telegram; electric multiple-unit train