Some 3scale emails are being sent using "text/html; charset=utf-8" instead of "text/plain; charset=utf-8".
This with the content of the email sent as plain text results in an email displayed in one line because new lines are ignored in HTML content.
To fix this issue, should translate new lines to "<br />" HTML tag or change the email content type mime.
Example:
Subject: Invitation to join RedHat Mime-Version: 1.0 X-3scale-viral: Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit You have been invited to join RedHat. Please sign up by following this link: https://xxx.3scale.net/signup/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx If you have problems signing up or believe you received this email erroneously please contact xxx@redhat.com. The Red Hat API Team.
And the rendered email: