Decrease your unsubscribe rate by sending a newsletter issue immediately after someone subscribes.

When you get a fresh newsletter subscriber, don't make them wait until your next issue. Send a sample issue to whet their appetite and decrease unsubscribes.

Provide value immediately by sending new subscribers a sample issue. The sample could be your most popular issue or an amalgamation of some of your best pieces. Just make sure none of the content is time-sensitive. This sample issue will give them value immediately, let them know what to expect, and get them anticipating your next issue. And that means that that they'll be less likely to unsubscribe or mark your email as spam, which can impact your deliverability.