Business post that finds its place.

Soon SmartPostfach will use AI to categorize every letter and document — then forward it to the right person or workflow. E-Rechnungen is live today; the intelligent mailbox comes next.

Open E-Rechnungen See what’s coming

E-Rechnung ZUGFeRD · live

Categorize AI · soon

Forward AI routing · soon

One postbox. AI does the sorting.

Coming later: AI categorizes every letter and document, then forwards it to the right inbox, colleague, or process.

AI categorization

Invoices, contracts, notices, and more — automatically labeled so nothing sits unsorted in the pile.

Smart forwarding

Mail goes where it belongs: finance, legal, a teammate, or a workflow — without manual triage.

Private by design

Hosted in Germany. Your business correspondence stays under EU data protection.

Live now

Live now: E-Rechnungen

Create ZUGFeRD e-invoices, export PDF/A-3b, and email clients — 250 invoices for €10 per year.

ZUGFeRD & structured e-invoices
€10 / year · 250 invoices
Sellers, clients, finalize & send

Go to E-Rechnungen

Next up: an AI mailbox that categorizes incoming post and forwards it to the right people and workflows.

Coming to SmartPostfach

Hosted in Germany

SmartPostfach and its servers are based in Germany — built for trust in European business.

Start with invoices. Grow into the mailbox.

Use E-Rechnungen today. SmartPostfach expands from there.

Open E-Rechnungen