+.BR Local\-Mailbox :
+Your Username <user@some.host>
+.RS 5
+Tells the various MH tools what your local mailbox is. If set, will be used
+by the default component files by tools like
+.B comp
+and
+.B repl
+to construct your default \*(lqFrom\*(rq header. The text used here will
+be copied exactly to your From: header, so it should already be RFC-822
+compliant. If this is set, the
+.B Signature
+profile entry is NOT used, so it should include a signature as well. (profile,
+default: userid@local.hostname)
+.RE
+.PP