Making AI Tangible

The Email Deliverability Chain

ByTamara Gielen Deliverability

Another great article by Kirill Popov and Loren McDonald: this time they talk about the different hurdles your email messages have to take to reach the recipient’s inbox:

  • The sender
  • E-mail service provider (ESP) or e-mail software
  • Mail transfer agent (MTA)
  • Outbound ISP
  • Edge networks
  • Receiving ISP:
    • ISP reputation system.
    • Authentication codes
    • Internal/external blacklists
    • Internal/external whitelists
    • ISP filters
    • Third-party filters
    • Challenge/response
    • Corporate firewalls and third-party filters
    • Corporate e-mail servers
  • Recipients:
    • E-mail client default settings and filters
    • User settings and filters
    • Third-party anti-spam filter programs
    • Challenge/response
    • “Report spam” button
    • Bulk/spam folders

Read the full article here.

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Tamara Gielen is an AI strategist, educator, and transformation catalyst. With over two decades of experience at the crossroads of marketing, IT, and innovation, she helps teams and leaders cut through the noise and apply AI in ways that are both smart and human.

Known for her ability to translate complex technology into clear, actionable insights, Tamara empowers people to lead with confidence in an AI-driven world. Whether on stage or in the boardroom, she brings high energy, clarity, and a relentless focus on what actually works.

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