Lettrbase Blog

Grow, monetise, and run a better newsletter.

Tactics, case studies, and playbooks for newsletter operators — from discovery to monetisation.

Newsletter Discovery

Manual Newsletter Research vs Sponsor Databases

Compare manual newsletter research with newsletter sponsor databases to understand which approach is faster, more scalable, and better suited for modern sponsorship campaigns.

Jul 08, 2026
Newsletter Discovery

How to Build a Newsletter Sponsor List

Learn how to build a targeted newsletter sponsor list using a repeatable process that helps marketers discover relevant publications and launch sponsorship campaigns faster.

Jul 08, 2026
Newsletter Discovery

Newsletter Sponsorship Database Explained

A newsletter sponsorship database helps marketers discover relevant newsletters, evaluate sponsorship opportunities, and reduce the time spent on manual research.

Jul 08, 2026
Newsletter Discovery

Newsletter Sponsorship Marketplace vs. Discovery Database: Which Do You Need?

A newsletter sponsorship marketplace and a discovery database solve the same problem differently. Here is how they compare and which fits your needs.

Jul 07, 2026
Newsletter Discovery

How to Find Newsletters That Accept Sponsorships

Most newsletters accept sponsorships, but finding the ones that fit your audience is the challenge. Here is how to find newsletters that accept sponsorships efficiently.

Jul 07, 2026
Newsletter Discovery

What Is a Newsletter Database? A Guide to Finding Newsletters at Scale

A newsletter database is a searchable index of newsletters organized by category. Here is what one is, what it is used for, and how it helps you find newsletters at scale.

Jul 07, 2026
Newsletter Discovery

Where to Find Newsletter Sponsorship Opportunities

Newsletter sponsorship opportunities are scattered across thousands of publications. Here is where to find them and how to identify the ones worth pursuing.

Jul 06, 2026
Newsletter Discovery

How to Find Newsletters to Sponsor: The Complete Guide

Finding newsletters to sponsor comes down to defining your audience, searching by category, and qualifying for fit. Here is the complete step-by-step process.

Jul 06, 2026
Newsletter Discovery

Newsletter Benchmarks: How to Know if a Newsletter Is Worth Sponsoring

Benchmarking a newsletter before you sponsor it means evaluating open rates, engagement, and audience fit against clear standards. Here is how to do it.

Jul 06, 2026
Newsletter Discovery

Newsletter Advertising Database: How to Find Newsletters to Advertise In

A newsletter advertising database helps you find newsletters to advertise in by category, replacing manual research. Here is how it works and how to use one.

Jul 06, 2026
Newsletter Discovery

What Is a Newsletter Sponsor Database (And How to Use One)

A newsletter sponsor database is a searchable index of newsletters you can sponsor, organized by category. Here is what one is, how it works, and how to use it.

Jul 06, 2026
Newsletter Discovery

What Is Passive Candidate Recruiting? A Guide for Talent Teams

Passive candidate recruiting targets the best talent that isn't actively job searching. Here is what it means and how newsletter sponsorships help reach this audience.

Jul 02, 2026