Spam Check VS Listmonk

You should check to see if the messages that are being sent contain any links that would be considered questionable/spammy. You can also try taking the content of one of the messages and checking it’s spam assassin score ( https://spamcheck.postmarkapp.com ). Source: over 2 years ago

Build a clean email that passes a spam check with flying colors (https://spamcheck.postmarkapp.com/) then use a warmup service like lemwarm, inboxally or neverspam as mentioned in the other comments. Source: over 2 years ago

The issue sounds more email centric. You're likely hitting the Apache SpamAssassin limit on the remote email servers. Use https://spamcheck.postmarkapp.com/ to check the score of emails you've had declared spam, and follow recommendations to improve. Source: almost 3 years ago

I have mainly name and email fields in the newsletter signup and there is no verification. Then I manually blacklisted all the bots in the email service Listmonk. - Source: dev.to / about 2 months ago

Listmonk – An open-source alternative to Mailchimp just released version 3. It’s great as a stand-alone newsletter. Also seems like a low lift for capturing leads for side projects. - Source: dev.to / 3 months ago

Here is another great self hosted solution that I came across. Really high performance (written in Go). No affiliation but well done open source product. https://listmonk.app. - Source: Hacker News / 4 months ago

Hey, looks very cool! If you could share a comparison against Listmonk[1], that'd be useful. All the best! [1]: https://listmonk.app. - Source: Hacker News / 8 months ago

It seems that the license not MIT or GPL. The Git repository is here https://github.com/ServiceStack/CreatorKit I use Listmonk and it have no complaints website: https://listmonk.app/ repo: https://github.com/knadh/listmonk. - Source: Hacker News / 10 months ago