#### [Turn Newsletters into Mailchimp-Ready Sends with Letterhead](https://blog.tryletterhead.com/blog/turn-your-newsletters-into-mailchimp-ready-sends-with-letterhead)

Teams rely on Mailchimp to send newsletters, manage audiences, and measure performance. It’s the execution layer where newsletters reach the inbox and results are tracked. Before anything is sent, newsletters go through a preparation phase. Content is assembled, layouts are finalized, editorial decisions are reviewed, and monetized placements are approved, often across multiple people and tools. This is the phase Letterhead was built for.

#### [What’s the Ideal Length for an Email Newsletter?](https://blog.tryletterhead.com/blog/whats-the-ideal-length-for-an-email-newsletter)

If you’ve studied email marketing—or even opened an email—you know that the length of emails can vary tremendously. However, the majority of the emails you get are likely on the shorter side. Why is that, and is that optimal? First, let’s start with what many email companies have found in their studies.

#### [Maximize Your Newsletter's Revenue: Advertising Formats You Need to Know](https://blog.tryletterhead.com/blog/maximize-your-newsletters-revenue-potential-advertising-formats-you-need-to-know)

Explore seven practical and easy-to-implement advertising formats for newsletters in this breakdown. From newsletter sponsorship to native advertising, learn about different ways to align with a publisher's brand and reach an engaged audience. Summary: Learn the seven most common formats to sell ads in newsletters.

#### [7 Top Tips On Selling Newsletter Ads](https://blog.tryletterhead.com/blog/7-top-tips-on-selling-newsletter-ads)

One of our customers had some questions for us about how to start selling newsletter ads in their up-and-coming email newsletter. Their newsletter delivers all of the need-to-know news from in and around their city straight to readers’ inboxes every Monday, Wednesday, and Friday morning.