Reconnaissance: Fake real estate inquiry with empty body

type.inbound
and (
  body.plain.raw is null
  or body.plain.raw == ""
  or regex.imatch(body.plain.raw, '^\s*$')
)
and (
  body.html.raw is null
  or body.html.raw == ""
  or regex.imatch(body.html.raw, '^\s*$')
)
and length(subject.base) > 150
and (
  strings.icontains(subject.base, 'purchase a home')
  or regex.icontains(subject.base,
                     'the listing (?:on|at)',
                     '(?:interested in|regarding) (?:this|the) property',
                     '(?:will be|are) relocating'
  )
)