Training: Securing your email thanks to the DNS with DKIM, DMARC, SPF

Email is currently a medium much favoured by scammers: spam, phishing and various other scams. DKIM, DMARC and SPF are three sender authentication techniques currently found in the toolbox of organisations seeking to combat these forms of online abuse.

Description and aims of the training course

This training course enable you to:

• Explain the functioning of the DNS and e-mail, so that you can take action within your organization
• Identify the different categories of abuses related to e-mail in order to categorize them and limit their adverse effects
• Operate DNS authentication techniques to secure your e-mail services
• Handle DKIM, DMARC and SPF records to protect your domain names

Duration

2 days

Target audience

Email administration, IT security, IT support and DNS professionals.

Prerequisite

A basic understanding of the workings of the DNS and/or email

Trainers

Stéphane Bortzmeyer, DNS expert & R&D Engineer, Afnic
Marc van der Wal, R&D Engineer, Afnic

Training location

The training course is given online via our video conferencing tool.
The link to connect will be sent to you once your registration is finalized.

Assessment

Practical exercises will be carried out throughout the course to help assimilate the methods and concepts presented.

Cost

€1,600 excl. tax per participant
For group enrolment, please contact us for a quotation.

DIRECCTE declaration number: 11788446878

Our experts can adapt to your needs and design a custom training course.

Contact us for a personalised quotation

Detailed training program

• Day 1 – Morning:  Functioning of the DNS and of email

  • The various types of DNS registration
  • Email: message format, envelopes and headers
  • Email: the SMTP protocol
  • Public-key or asymmetric cryptography
  • Abuses and attacks concerned

  Day 1 – Afternoon: Presentation of the SPF protocol

  • The SPF protocol
  • What SPF does and doesn’t protect against
  • Implementing the SPF protocol:
    • The steps to publication
    • Mastering and documenting email architecture
    • Deciding which records to publish
    • Publication and its constraints
    • Testing your SPF publication
    • SPF maintenance

  Day 2 – Morning: Presentation of the DKIM protocol

  • The DKIM protocol
  • What DKIM does and doesn’t protect against
  • Implementing the DKIM protocol
    • The steps to publication
    • Mastering and documenting email architecture
    • Deciding which records to publish
    • Publication and its constraints
    • Testing your DKIM publication
    • DKIM maintenance

  Day 2 – Afternoon: Presentation of the DMARC protocol

  • The DMARC protocol
  • What DMARC does and doesn’t protect against
  • Implementing the DMARC protocol
    • The steps to publication
    • Mastering and documenting email architecture
    • Deciding which records to publish
    • Publication and its constraints
    • Testing your DMARC publication
    • DMARC maintenance

Upcoming training sessions

March 28 & 29, 2024
May 30 & 31, 2024

If anyone participating in the training course has a disability, please contact us on +33 (0)1 39 30 83 59 so we can make suitable arrangements.

Contact us

Last updated on 29th November 2023