mail service(n = noun.communication) mail, post, postal service - the system whereby messages are transmitted via the post office; "the mail handles billions of items every day"; "he works for the United States mail service"; "in England they call mail `the post'"
is a kind of communicating, communication
has particulars: airmail, airpost, snail mail, rfd, rural free delivery

1st-class mail, advisory service, air mail, armed service, attestation service, bond service, bord service, bulk mail, bus service, cable television service, canadian security intelligence service, chain mail, chapel service, child welfare service, church service, civil service, civil service commission, civil service reform, coat of mail, committal service, community service, consulting service, curb service, customs service, dead mail, debt service, defense reutilization and marketing service, dinner service, diplomatic service, direct mail, distinguished service cross, distinguished service medal, distinguished service order, divine service, electronic information service, electronic mail, express mail, extension service, fan mail, federal protective service, federal security service, financial management service, first-class mail, foreign intelligence service, foreign service, full service bank, gas service, hate mail, ill service, immigration and naturalization service, intelligence service, internal revenue service, iraqi intelligence service, junk mail, knight service, knight's service, length of service, lip service, mail, mail bag, mail boat, mail call, mail car, mail carrier, mail clerk, mail coach, mail fraud, mail order, mail order house, mail out, mail pouch, mail slot, mail train, military service, national park service, national service, national technical information service, national weather service, phone service, postal service, power service, prayer service, public service, registered mail, religious service, ring mail, robert william service, secret intelligence service, secret service, security service, selective service, selective service system, service, service abroad, service agency, service area, service book, service break, service bureau, service call, service cap, service ceiling, service charge, service club, service contract, service cutback, service department, service door, service elevator, service entrance, service fee, service firm, service hat, service industry, service line, service man, service of process, service program, service road, service routine, service staff, service station, service stripe, service tree, service uniform, snail mail, social service, special air service, surface mail, table service, tea service, telephone service, third-class mail, united states fish and wildlife service, united states marshals service, united states postal inspection service, united states postal service, united states public health service, united states secret service, us fish and wildlife service, us marshals service, us postal inspection service, us postal service, us secret service, voice mail, wild service tree, wire service