We want to be different, better. Based on this premise, the cosmetics brand JUNGLÜCK was created in 2018. In doing so, they deliberately changed not only the cosmetics market, but also the way people think and behave towards sustainable cosmetics.
The brand focuses entirely on sustainable care products and dispenses with everything that is not needed. Only natural ingredients are used in order to produce as little waste as possible.
In addition, the brand’s products are manufactured exclusively in Germany. All this makes JUNGLÜCK a pure, sustainable, and above all natural care range that takes honest responsibility for our environment.


“We highly recommend working with Mailody. Not only in our daily business, but also in large projects, such as the switch to a dedicated IP address, the team, especially Tizian, was a great help to us. Especially when it comes to complex issues surrounding our email marketing tool Klaviyo, it is an incredible asset to have a great partner like Mailody at our side. I look forward to future projects!”

At the beginning, we used the 360inbox tool to assess the status quo and noticed that very relevant email service providers classify JUNGLÜCK as spam (Gmail) or block it completely (T online).
In the adjacent diagram, we visualized the distribution of the database to show that even smaller segments such as T-Online & Freenet account for a relevant amount of revenue in the overall picture, especially because we can interact with existing customers cost-effectively via email marketing. Unblocking T-Online alone would lead to additional annual revenue in the six-figure range.
We checked all steps of the technical change using a seed list test and looked to see if anything had changed. This means we sent emails to a group of different test email addresses to check for spam problems or even complete blocks.
After more than 1.5 years of successful collaboration with JUNGLÜCK, we have now come to discuss the delivery rate and bounce rate of T-Online & Freenet email addresses during the somewhat quieter phase of the year (with the standard Klaviyo setup, it is generally not possible to deliver to T-Online and, in some cases, to other inboxes).
Together, we wanted to bring clarity to our own delivery rate, as most e-commerce companies have gray areas. This means that you send your emails as normal and don’t notice that certain email service providers are sending them to spam or even blocking them completely.
Below, we will explain how we revised the setup so that we are now ideally positioned for the Advent calendar launch and the upcoming Q4.
Since a large number of parties access the root domain, we decided to set up a subdomain and then stored the corresponding DNS records. We then carried out a warm-up process for the email infrastructure that lasted several weeks. As a result, the domain reputation will no longer be based on Klaviyo or Sendgrid, but directly on the JUNGLÜCK domain. In addition, “sent by Klaviyo” will no longer be displayed in emails, and emails will no longer be classified as spam in Gmail. Overall, this has already had a positive impact on the delivery rate.
Even though the headline may sound rather cryptic to non-IT professionals, each of these steps is important. We requested most of these points directly from Klaviyo and then implemented them in the JUNGLÜCK backend. This enabled us to meet all the technical requirements for an optimal setup and also fulfill the requirement to deliver to T-Online.
Since Klaviyo is based on Sendgrid, an automatic warm-up process must be used. This means that when switching to the dedicated IP, the sending volume does not have to be reduced, but can continue to be sent as normal. In the background, the sending volume is then slowly shifted from the shared to the dedicated IP until, after approximately 30 days, the entire volume is on the dedicated IP.
In Klaviyo, addresses that bounce are automatically suppressed and can no longer be used. It is therefore advisable to recover T-Online addresses that have been suppressed due to bounced emails and slowly add them back to your own distribution list.
Implementation of 6 different automations
8% increase in sales through the implementation of automation
In total, over 600k email revenue in recent months

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