I will fix substack deliverability spam fix substack domain setup substack custom domai

J
jack_mercel
J
jack_mercel
Jack Mercel
fix substack deliverability spam fix substack domain setup substack custom domai
Full Screen
fix substack deliverability spam fix substack domain setup substack custom domai
Full Screen
fix substack deliverability spam fix substack domain setup substack custom domaifix substack deliverability spam fix substack domain setup substack custom domai

About this gig

Substack deliverability, substack spam fix, substack domain setup, substack custom domain


Hello business owner,

Are you looking to fix Substack emails going to spam or connect your custom domain professionally? Many newsletter owners struggle with low open rates, poor email reputation, or domain setup errors that affect credibility.


I will fix Substack deliverability issues, configure your custom domain correctly, and optimize your email setup for better inbox placement. Whether you need spam troubleshooting or full domain configuration, I make the technical side simple and secure.


What i offer

  • Substack spam fix
  • Email deliverability optimization
  • Custom domain connection
  • DNS configuration guidance
  • Email authentication review
  • Inbox placement improvement
  • Newsletter technical audit
  • Domain verification setup
  • Open rate optimization
  • Substack technical support
  • Email system troubleshooting
  • Newsletter reputation improvement
  • Domain migration assistance
  • Advanced email setup


Why choose me

  • Fast delivery
  • 100% satisfaction


Protect your newsletter reputation and improve performance the right way. Contact me to get started.

  • Email platform

    • Beehiiv
    • Other

  • Industry

    • E-commerce
    • Consumer packaged goods
    • Technology
    • Real estate
    • Health & wellness
    • Fitness
    • Education
    • Non-profit
    • Lifestyle
    • Events

Get to know Jack Mercel

Jack Mercel

substack expert

  • FromUnited Kingdom
  • Member sinceFeb 2026

  • Languages

    English
Hi, I’m Jack marcel, an Email Marketing and Substack Expert. I help creators, coaches, and businesses build, grow, and manage powerful newsletters using Substack’s full feature set. From account setup, publication design, custom branding, and audience migration to paid subscriptions, email automation, analytics, and monetization strategy, I handle everything inside Substack. I help you turn readers into loyal subscribers and paying members. Whether you’re launching a new newsletter or improving an existing one, I make the process simple and effective. Contact me to get started.

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