MailPoet on "[Plugin: MailPoet Newsletters] Mails sent to spam even with smtp"

Hi,

The easiest solution is probably to use a third-party sender, like SendGrid.

https://support.mailpoet.com/knowledgebase/send-with-smtp-when-using-a-professional-sending-provider/

Otherwise, your SPAM score doesn't look too bad - the only issue is that you don't have DKIM set up.

Thanks!