[Rspamd-Users] Rspamd doesn't recognize mailing list emails

[Vlad Buslov]

Hi,

My Rspamd installation (now 2.0, and version 1.x before that) doesn't
recognize Linux netdev mailing list emails as such. The mailing list is
powered by Majordomo and emails have proper headers:

Sender: netdev-owner at vger.kernel.org
Precedence: bulk
List-ID: <netdev.vger.kernel.org>
X-Mailing-List: netdev at vger.kernel.org

However, all such emails get following +2 from Rspamd:

FORGED_RECIPIENTS (2) [netdev at vger.kernel.org ..,vlad at buslov.dev]

Skimming through maillist plugin source code it looks like these headers
should be enough:

-- Majordomo detector
-- Check Sender for owner- or -owner
-- Check Precendence for 'Bulk' or 'List'
--
-- And nothing more can be extracted :(
local function check_ml_majordomo(task)
  local header = task:get_header('Sender')
  if not header or (not string.find(header, '^owner-.*$') and not string.find(header, '^.*-owner$')) then
    return false
  end

  local header = task:get_header('Precedence')
  if not header or (header ~= 'list' and header ~= 'bulk') then
    return false
  end

  return true
end

Any suggestions?

Thanks,
Vlad