Mailbox systems

Drop-in letterboxes through to special solutions

From drop-in letterboxes to special solutions in accordance with DIN EN 13724 with bell, intercom and camera functions – we supply an extensive range of letterboxes from Renz and Max Knobloch.

Whether special solutions or standard variants – just ask us. Our trained team will prepare an offer tailored to your individual requirements.

Try it out – it’s worth it!

Product features at a glance:

  • Hinged front for easy electrical installation
  • Sturdy, embossed insert and removal protection
  • Concealed seal with rain drainage function
  • Patented, flush-mounted safety screws
  • Optionally with round profile frame RS1001

All RENZ letterboxes in our catalog letterbox systems are in accordance with DIN EN 13724.

  • Corrosion-resistant materials or galvanizing and powder coatings for long service life
  • Indirect illumination of the name badges for better orientation
  • Dry mail thanks to water channel for controlled rain drainage
  • High-quality, extremely durable stainless steel hinges
  • Post retaining brackets prevent the post from falling out
  • All custom-made products available according to drawing


Renz letterboxes come with a 10-year guarantee against rusting through.