Within the fast-evolving world of electronic mail advertising, sustaining belief, deliverability, and compliance is more difficult — and extra essential — than ever. That’s why Stripo sat down with Julia Janssen-Holldiek, director of the Licensed Senders Alliance (CSA), to discover the position of certification, digital accountability, and information transparency in constructing a safer and more practical electronic mail ecosystem.
On this interview, Julia explains why CSA certification is greater than a deliverability enhance — it’s a dedication to high quality, transparency, and person safety. She shares widespread pitfalls senders make when counting on assumptions as a substitute of knowledge, emphasizes the rising significance of domain-level monitoring, and provides actionable recommendation for entrepreneurs seeking to shield their electronic mail repute in an more and more advanced panorama.
Knowledgeable

Julia Janssen-Holldiek has been with the CSA for 10 years, serving as its director for the previous seven. She has in depth sensible expertise in self-regulation throughout the electronic mail ecosystem. Earlier than becoming a member of CSA, Julia labored in gross sales and advertising at DELL GmbH. With over a decade of expertise and a transparent ardour for making electronic mail higher, Julia provides a sensible and forward-looking perspective on what manufacturers and electronic mail service suppliers have to succeed at this time — and tomorrow.
Constructing belief within the inbox: How the CSA has advanced to maintain electronic mail protected and efficient
Stripo: What initially drew you to the sphere of electronic mail advertising, and what retains you enthusiastic about it after a decade on the Licensed Senders Alliance?
Julia: The Licensed Senders Alliance is all about making electronic mail higher. We create and allow high quality requirements that assist shield customers from spam and phishing. The environment is repeatedly altering, so it by no means will get boring, however it’s difficult to maintain up with the tempo. I actually recognize this problem and the deeper that means of my job in serving to to guard customers and promote electronic mail as an open and decentralized communication channel.
S: The Licensed Senders Alliance performs a big position within the electronic mail ecosystem. How has its mission advanced through the years, and what are the largest challenges it addresses at this time?
J: Our mission has not modified within the final 20 years. The CSA was based based mostly on the necessity for senders and mailbox suppliers to create a trusted and guarded channel within the electronic mail ecosystem. The standards and challenges have modified considerably through the years. We began with 9 standards in 2004, and now our standards catalog consists of 9 pages as a result of rising complexity of sending emails. The duties of senders have additionally shifted, from detailed authorized necessities towards technical necessities that make sure the safety of a sending platform.
Deliverability and repute: Why data-driven monitoring is your finest pal
S: What are the important thing advantages of electronic mail certification for senders, and the way does CSA certification particularly influence electronic mail deliverability?
J: Sooner or later, we are going to differentiate between IP and area certification. The present IP certification permits senders to be recognized as trusted senders by (potential) clients and mailbox suppliers, with associated advantages in electronic mail deliverability. Moreover, licensed senders are supplied with actual mailbox supplier information (e.g., spam click on charges, and DKIM errors), enabling them to observe their clients and their high quality of sending and even determine potential bot assaults — all of that are extremely related for guaranteeing future deliverability.
S: Some electronic mail entrepreneurs query whether or not certification is important in 2025. How would you reply to those that consider they’ll obtain robust deliverability with out it?
J: Senders can positively obtain robust deliverability with out CSA certification. They simply have to have the proper monitoring with the related information in place and an excellent community. In the event that they lack a kind of points, the CSA is right here to assist. Certification is changing into more and more related for mailbox suppliers as an indication of belief and dedication from senders in occasions of more and more advanced filtering.
S: Sustaining a robust electronic mail repute is essential for inbox placement. What are the commonest errors senders make that harm their repute, and the way can they keep away from them? What are the best methods for senders to proactively enhance and shield their electronic mail repute?
J: It is a very advanced matter. I wouldn’t wish to give attention to one explicit mistake that’s more likely to smash repute. It’s extra in regards to the common downside that senders typically depend on their assumption that they’ve the proper mechanisms in place relatively than truly actual information.
One instance: In the course of the certification course of, we see senders who assume their DKIM is right till we present them in any other case. We present them how it’s seen from a mailbox supplier’s perspective.
S: What key methods ought to manufacturers implement to make sure that their transactional emails reliably land within the inbox relatively than spam or promotions folders?
J: The baseline necessities are:
- authentication;
- listening to person suggestions (constructive and unfavourable engagement);
- trying on the mailbox supplier info;
- monitoring course of in place.
On high are points comparable to sending related, personalised, and interactive emails.
S: How do mailbox suppliers assess electronic mail trustworthiness, and what position does CSA certification play in bettering sender repute?
J: Mailbox suppliers use completely different indicators of trustworthiness to make their filtering selections. Additionally they deal with these selections very in a different way, relying on their capabilities and preferences. However, there are primary widespread necessities, not too long ago printed by Google, Yahoo, and Microsoft.
Mailbox suppliers use the CSA certification as an indication of trustworthiness, as they know the sender has dedicated to transparency and adherence to those finest practices regardless of the paperwork concerned. This trustworthiness is rewarded by mailbox suppliers with a extra dependable supply of emails and the supply of related information. Senders can entry mailbox supplier information by way of the CSA Certification Monitor and thus stop future deliverability points.
From ethics to inbox: Why accountable electronic mail advertising drives long-term success
S: You’ve spoken in regards to the significance of digital accountability in electronic mail advertising. What does that appear to be in observe, and why ought to manufacturers prioritize it?
J: Firms have to respect primary person privateness ideas with the intention to construct relationships with their (potential) clients within the digital world. Primary ideas, comparable to being clear and clear, taking up accountability, and processing information ethically, have been tailor-made to the e-mail world within the CSA standards. The CSA standards are exact and hands-on suggestions for senders to make sure that they’re appearing responsibly within the area of electronic mail. Manufacturers ought to prioritize this, as it is going to in any other case have a unfavourable influence on their ROI.
S: How does the CSA assist senders reduce dangers with devoted warnings, and what are essentially the most crucial purple flags entrepreneurs ought to monitor?
J: The CSA shows purple flags within the Certification Monitor and inside electronic mail alerts. Senders additionally obtain suggestions on particular person person complaints from our CSA complaints workplace. If an authorized sender is getting near sure thresholds, our account administration workforce will contact them with a heads-up. If thresholds are exceeded, our complaints workplace will take motion.
S: What points can senders determine utilizing CSA information, and the way can they use this info to enhance deliverability?
J: Senders can determine problematic clients via reviews from our criticism administration workforce and the spam click on charge within the Certification Monitor. Based mostly on these information, they’ll educate such clients on how one can enhance their sendings or determine to take away them from their platform with the intention to shield the sender’s general repute. Furthermore, ESPs can determine points with their DKIM, DKIM alignment, spam traps, and metrics, comparable to their general spam click on charge and the evolution of their inbox placement charge over time.
S: How do you envision electronic mail advertising evolving over the following 5 years, and what position will CSA play in shaping that future?
J: The CSA will broaden its service to incorporate area certification for manufacturers, as mailbox suppliers are already taking area repute into consideration of their filtering selections. Manufacturers that ship via an IP-certified platform will have the ability to present their trustworthiness to mailbox suppliers on the area degree and obtain much more detailed information, comparable to their inbox placement charge.
The CSA will present licensed manufacturers with actual mailbox supplier information that can be utilized to observe deliverability and guarantee future deliverability. The worth of this information is rising as entry to information turns into extra advanced in occasions of shifting authorized landscapes, and conventional KPIs comparable to open charges are getting blurred resulting from non-human Interactions.
Wrapping up
We’re extremely grateful to Julia Janssen-Holldiek for sharing her deep experience and sensible insights with us. She clarified the challenges and duties that fashionable electronic mail entrepreneurs face and provided actionable steerage for navigating them efficiently.
Listed below are some key takeaways from the interview:
- Monitoring and information are important: Many senders depend on assumptions about their infrastructure or processes. Julia emphasised the significance of utilizing actual information and suggestions from mailbox suppliers to make sure ongoing deliverability and repute administration.
- Digital accountability is a aggressive benefit: Appearing transparently, respecting recipient privateness, and taking accountability for information dealing with aren’t simply authorized necessities — they’re important for constructing long-term relationships and defending ROI.
- The way forward for electronic mail lies in domain-level visibility: As mailbox suppliers shift towards domain-based filtering, area certification and deeper monitoring will turn into crucial instruments for manufacturers aiming to remain within the inbox.
- Certification builds belief and improves deliverability: CSA certification helps senders reveal their dedication to accountable electronic mail practices, giving mailbox suppliers clear indicators of belief and offering entry to beneficial deliverability information.