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Fax or email – which is more binding?

With a fax, the transmission report proves the complete transmission with date and time, and the signature is visible; with a regular email, proof of delivery is usually weak. Neither proves that it was read – this is not legal advice.

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  1. 1 Document
  2. 2 Fax number
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Step by step

  1. 1 Step 1

    Fax: proof via transmission report

    The transmission report shows the recipient number, pages, time and result. The signature is visible on the fax. It proves the transmission, not that it was read.

    Fax: proof via transmission report
  2. 2 Step 2

    Email: easy, but weak proof

    An email is sent in seconds, but reliable proof of delivery is usually missing; read receipts can be declined.

    Email: easy, but weak proof
  3. 3 Step 3

    Combine both with email-to-fax

    Send an email to faxnumber@fax.mcpfax.de – a real fax arrives at the recipient, and you get the transmission report.

    Combine both with email-to-fax
  4. 4 Step 4

    Check formal requirements case by case

    Whether a fax is enough for your letter depends on the individual case. If in doubt, ask a professional.

    Check formal requirements case by case

The pictures are a simplified illustration. Menu names may differ slightly depending on the version.

Video transcript

In short: with a fax, the transmission report gives you proof of the transmission. With a regular email, you usually don't get that. Let me show you the differences. The fax: the transmission report shows the recipient number, the pages, the time and the result. Your signature is visible on the fax. But it only proves the transmission, not that it was read. Email is fast and easy. But reliable proof of delivery is often missing: a read receipt can be declined, and emails can end up in spam. That's why many people use fax for important letters with a deadline. The transmission report arrives as a PDF and shows the result with date and time. With mcpfax you don't have to choose: you write an email to the fax address shown on screen, and a real fax arrives at the recipient, with a transmission report for you. Whether a fax is enough for your letter depends on the individual case. This is not legal advice, so if in doubt, ask a professional. You'll find the link to mcpfax in the description. Subscribe to the channel, and check out our video on the transmission report too.

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Frequently asked questions

Is a fax legally more binding than an email?

That depends on the individual case and any formal requirements. This is not legal advice – if in doubt, ask a professional.

Does the transmission report prove that the fax was read?

No. It proves the complete transmission to the receiving machine, not that anyone read the fax.

Is a fax more secure than an email?

Not necessarily: transmission over the phone network is not end-to-end encrypted. With mcpfax, the connection up to the service is encrypted via HTTPS.

Can I send a fax by email?

Yes, with email-to-fax: send an email to faxnumber@fax.mcpfax.de from an approved sender address and attach the document.

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