Native Sponsorships on Substack + Email Marketing Challenges

December 11, 2025 |
Keenen Charles

This week Substack started testing sponsorships on the platform, a move they once resisted. It'll be interesting to see how this test goes and when or if it's fully rolled out. And there are looks at common email marketing and newsletter ad sales challenges.

Also the featured newsletters this week cover finance, travel, stories, and more!

šŸ“° News & Articles

Substack is launching native sponsorships

The company says the program is designed to help creators earn incremental revenue without disrupting subscriptions.

6 Email Marketing Challenges and How to Overcome Them

Tips to help marketers address common email marketing challenges and improve their campaigns.

Patreon’s CEO on Poaching Substack Stars

An interview with Jack Conte on why Patreon is targeting Substack writers and how he views the competition.

7 Big Mistakes People Make When Selling Newsletter Ads

A look at common pitfalls in newsletter ad sales and how to avoid them for better results.

⭐ Featured Newsletters

Freedom Trades

Achieve financial freedom faster with a profitable trading system.

Story Stumbler

Lose yourself in a curated collection of classic short stories...

ArisTechia

Digital Agriculture in LMICs

Roame Points Deals

Fly first class for the price of economy!

QuickZen

Tiny mindset shifts for calmer 9-to-5 days

See Ya

This is our weekly newsletter covering tips and tools for newsletter operators and everything else happening in the email newsletter space. Hope you enjoyed it!

Keenen Charles

Keenen is the creator of InboxReads and a believer in the future of newsletters and email for sharing great content.

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