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CSA-Certified Email Distribution

You already have a suitable tool to create newsletters or a software to send emails automatically? What you still lack is a powerful SMTP server that sends the emails reliably and with an optimal delivery rate to the recipients?

Power for your email distribution

CSA-whitelisted SMTP server You are already successfully using a software for the creation and sending preparation of emails, but still have problems when actually sending out the emails? Or is the delivery of your transaction emails (invoices, confirmation mails...) not reliable enough? We can help you with our SMTP-servers. Our CSA-certified SMTP servers guarantee a high-performance newsletter distribution and the best possible delivery rates.

If you are a user of an email marketing tool or other software and are sending emails through your hosting provider, you are probably familiar with these issues:

  • Poor performance, sending newsletters takes too long
  • Sending stops because the provider only allows for a certain maximum of emails to be sent simultaneously
  • Poor delivery rates if the email server of your provider has a bad reputation or is already registered in blacklists
  • Blocking of your emails by the recipient-providers and blacklisting of the provider mail server
  • Trouble with your provider due to high server load or blacklisting of your servers as a result of your emails.

We offer a professional solution to these problems: No matter which newsletter software you use, we customize our outgoing mail server (SMTP server) so that you can use it to easily distribute your emails. When using our server, you benefit from the following advantages:

  • Maximum performance – send up to 5,000 emails per hour
  • No blocking by blacklists. In the case of any blacklist entries, our monitoring team will act as fast as possible
  • No server-side spam filtering by the major email providers, as we are certified senders of the CSA whitelist
  • High delivery rates through the use of SPF entries and DKIM-signing of your emails


We offer the following standard rates of use (net, plus VAT if applicable):

  • Up to 5,000 emails per month: €9 per month
  • Up to 10,000 emails per month: €15 per month
  • Up to 25,000 emails per month: €29 per month
  • Up to 50,000 emails per month: €49 per month
  • Up to 100.000 emails per month: €79 per month
  • Up to 200.000 emails per month: €139 per month
  • Higher quantities on request

There is possibly a setup fee of up to €120, depending on the software that you use.

Further Information for E-Mail-Marketing

The emails should not exceed the size of 1 MB both for your benefit and the benefit of your recipients. Instead of using attachments, consider the more convenient method of embedding hyperlinks on files.

Please note that in addition to the very strict legal requirements, we are also contractually bound by the CSA-whitelist to comply with the following rules:

  • You may only send emails to recipients who have explicitly agreed to receive the newsletter unless they have already purchased items or services that are similar to those advertised. In the case of complaints, you must be able to unequivocally prove this for each recipient. Purchased recipient addresses are thus only limitedly usable. For logins, you should therefore use the double-opt-in method.
  • The use of an unsubscribe link, which must also be mentioned in the newsletter, is mandatory.
  • After each distribution of a newsletter, your recipient list must be cleaned of all email addresses that no longer work in order to prevent provider-side blockings and to fulfill the requirements of the CSA-whitelist. A hard bounce rate of 1 % must be reached.
  • Your newsletters must contain a complete legal notice, as is generally required by law for all business emails.

Please also refer to our terms and conditions! There, you can find these and other rules defined more precisely.

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