Why create another site for newsletters? You already have WordPress, install a newsletter plugin there and use that to promote your sites.
New WordPress posts can be set up to automatically email people when you publish them.

Pair “Stop Contact Form 7 Spam & WPForms Spam – Free Protection” for general junk with “Message Filter for Contact Form 7” to block specific abusive words.
wordpress.org/plugins/full...
wordpress.org/plugins/cf7-...

Reach out if you need help 👍

We can usually do this within about 30 mins for most small websites. This will include all your posts, pages, media, etc.
Reach out via DM.

Hi there. What help do you need? We can help you.

What do you need help with?

What are you trying to do exactly?

What do you want your theme to achieve exactly?

Thanks for sharing.

Yeah it requires some technical skill but those are the building blocks to achieve what you want. Reach out if you need help.

Fork mastodon_digest (fetches/aggregates toots), add WordPress REST API call using passwords, deploy via GitHub Actions with daily cron. github.com/hodgesmr/mastodon_digest + rudrastyh.com/wordpress/rest-api-create-post.html + dev.to/jajera/automating-mastodon-posts-with-github-actions-47kf

Does this help?
wordpress.org/plugins/toot...

+1 Kadence theme and blocks 👍

The Classic Editor plugin restores this feature. It's officially maintained by WordPress and brings back the full old editor with commonly used categories intact.
wordpress.org/plugins/clas...