Use SharePoint as Mailing List for Permission Groups

[Lucas]

Hi there,

I am searching for a solution to the following issue:

Environment: SharePoint 2013, Nintex Workflows for Sharepoint 2013

Problem: I want to provide several teams with mailing lists that are based on SharePoint permission groups. Since the permission model is = to the receivers of the mailing list, it makes sense to send mails based on these groups.

Current solution: 

1. I created an announcement library and allowed the library to receive e-mails.
2. I created a one-step-workflow that is triggered whenever an item is created and that sends an e-mail with the subject [title] and the body [element content] (rich text formated)

Issues with the solution:

The solutions works fine so far, in particular if I create the annoucement directly in SharePoint. Sending an HTML-formated e-mail to the library, however, results in a broken e-mail (some HTML elements appear aside from the content). 

Possible workaround (although not satisfying to me):

A possible solution is to customize the content field and the e-mail body in the workflow to text-only & attach the original e-mail. This results in a clean text-only mail that strips all Richt-text/HTML elements. But as you can imagine, that is not what I really want to go for.

Any idea to solve this issue is highly appreciated!