I mean automate the content. So you write it once for your main website, then you've got a script that simply compiles and formats it so you can copy/paste it i

I mean automate the content. So you write it once for your main website, then you've got a script that simply compiles and formats it so you can copy/paste it into your newsletter. MailChimp/ConvertKit might have APIs for automatically sending it, too, and if not Zapier can certainly help.