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Sender email address

You can use your own sender email address for outgoing emails from belbo instead of the standard address termine@belbo.com. This is possible, but requires additional settings outside of belbo – directly at your domain.



Prerequisites

  • The address must belong to your own domain that you operate yourself.
  • Public email providers are not permitted, e.g. peter.lustig@gmail.com or peter.lustig@gmx.de will not work as a sender.
  • You need access to the DNS management of the domain – or someone who has this access for you (see below).

Setup in Email Settings

Enter your desired address in the email settings. belbo will then show you the values for three DNS entries (SPF, DKIM, Return-Path) that must be added to the domain.

As long as SPF, DKIM, and Return-Path are not all marked as verified/completed, sending via your own address is not reliably secured.

⚠️ Changing DNS Entries is Not a Simple Click

These entries cannot be set within belbo itself. They must be added to your domain's DNS management – that is, where the domain is registered or hosted (e.g. with your provider, host, or web agency). From experience, this is not trivial:

  • You need admin access to the DNS zone of the domain. If you don't have this yourself, your host or web agency must set the entries for you.
  • The syntax of the entries (TXT or CNAME records) must be applied exactly – even a missing character will cause the verification to fail.
  • Changes don't take effect immediately: DNS propagation can take several hours to 48 hours depending on the provider.
  • Incorrect or incomplete setup can result in emails not being delivered at all – not just landing in spam.

If in doubt, we recommend making this change together with the person or company that manages your domain or website.

Which Entries Are Needed?

  • SPF – TXT record that identifies belbo as an authorized sender for your domain.
  • DKIM – cryptographically signs outgoing emails so that recipient servers recognize them as unchanged and legitimate.
  • Return-Path – CNAME record; the hostname must be exactly pm-bounces.

What to Do If Emails Land in Spam or Don't Arrive?

Usually, DKIM or Return-Path entries are simply missing. Check this in the email settings and pass the missing values to your domain administrator.

If your own domain cannot be set up (in the short term), simply reset the sender address. belbo will then send via the verified standard address termine@belbo.com again, without delivery issues.