Since computers do the sending, however, it's possible to address a single package to a mailing list of recipients with a shared interest in the subject matter -

Related:

• mailing list n. (often shortened in context to `list') 1.
  An email address that is an alias (or macro, though...
• peek: n.,vt. (and {poke}) The commands in most microcomputer BASICs for directly accessing memory contents at an absolute address;
  often extended to mean the corresponding constructs...
• INDEX:
  Alphabetical list of words of no possible interest...
• uunet!sugar!karl | "We've been following your progress with considerable -
  karl@sugar.uu.net | interest, not to say contempt...
• peek n.,vt. (and poke) The commands in most microcomputer BASICs for directly accessing memory contents at an absolute address;
  often extended to mean the corresponding constructs...
• There's one constant in buying a suit: It should fit.
  The Houston Chronicle,...
• A Thermos keeps hot things hot and cold things cold.
  How do it know? -- Bruce...
• No man is an island if he's on at least one
  mailing list...
• newsgroup: [USENET] n. One of {USENET}'s huge collection of topic groups or {fora}.
  Usenet groups can be `unmoderated' (anyone can post)...