We've got some customers that are receiving a large amount of bounce backs due to spam filters considering their mailings as spam. After looking at the newsletters they're sending out it appears that the lack of a list-unsubscribe header is the culprit.
Can this be implemented in a future version? I spent some time looking into RenderTasks and it appears we can only modify the subject and body using this method and cannot modify the headers of the email message.
It may be worth exposing the headers in the render tasks if this is the case. Could this be done as well?
Feature Request: Implement List-Unsubscribe
We've got some customers that are receiving a large amount of bounce backs due to spam filters considering their mailings as spam. After looking at the newsletters they're sending out it appears that the lack of a list-unsubscribe header is the culprit.
Can this be implemented in a future version? I spent some time looking into RenderTasks and it appears we can only modify the subject and body using this method and cannot modify the headers of the email message.
It may be worth exposing the headers in the render tasks if this is the case. Could this be done as well?
Thank you for your consideration!
Hi!
Thanks for the request, we'll look into adding this to the core, until then:
You're right that you can't change the headers using the render tasks at the moment.
What you could do is to hook into the SendNewsletterService.SendingUnique-event and add your headers:
https://github.com/enkelmedia/NewsletterStudioContrib/blob/master/Newsletter%20Studio%20V2/NewsletterStudioContrib/Events/EventsExample.cs
Here are a list of all events that we're currently supporting.
https://www.newsletterstudio.org/help/develop-with-newsletter-studio/events/
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