If you have your own website and want to add a field for visitors to subscribe to your newsletter on Letterdrop, you can simply embed a subscribe button.
Visit letterdrop.com/publications.
Open your publication. Click on the Settings button.
Scroll down to Embeds.
Copy the first code and paste it into your website for a subscribe button.
You can adjust the background color, font color, width, and height of the subscribe button by changing the parameter values.
Copy the second code and paste it into your website for a feed of your posts.
You can adjust the background color, width, and height of the subscribe button by changing the parameter values.