Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Introduction to DKIM basics to counter email spoofing, explanation of cryptographic signature operations and their role in the 2026 ecosystem, analysis of real phishing attack cases prevented by DKIM, practical exercises on decrypting authenticated email headers, creation of a first simple DKIM header using open-source tools like opendkim-test, familiarization with professional terminology for discussing deliverability in teams.
Installation of OpenDKIM on a dedicated virtual Linux server, generation of public/private key pairs compliant with 2026 standards, configuration of signature files for multiple corporate domains, integration with Postfix or Microsoft Exchange for real email flows, initial signature tests on outbound emails, resolution of common pitfalls such as RSA/ED25519 key sizes, production of a DKIM certificate ready for publication with full documentation.
Learning to create DKIM TXT records in your domain's DNS zone, using interfaces like Bind or Cloudflare for rapid propagation, manual verification with dig and nslookup across multiple providers, simulation of propagation errors and real-time corrections, exercises on subdomain selectors for marketing campaigns, generation of DKIM compliance reports for internal audits, consolidation of skills with a live functional DNS.
Hands-on with professional tools like MXToolbox, dkimvalidator, and mail-tester to validate live signatures, sending tests to Gmail, Outlook, and Yahoo with detailed header analysis, detection of DKIM failures due to key rotations or body hash issues, setup of automated monitoring via simple Python scripts, practical cases on Realtime Blackhole List blacklists impacted by poor DKIM, development of a personal dashboard to alert on deliverability drops.
Combining DKIM with SPF and DMARC for strict 2026 quarantine policies, holistic configuration on a simulated production server, resolution of inter-protocol conflicts through collaborative workshops, development of a red thread project using your real domain, final audit and optimization for 99% deliverability, delivery of a certified action plan for corporate deployment, discussions on BIMI evolutions linked to DKIM for secure email branding.
The Training DKIM 2026 - Authenticate Professional Emails Without Spam program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Training DKIM 2026 - Authenticate Professional Emails Without Spam program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Training DKIM 2026 - Authenticate Professional Emails Without Spam program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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