The email system that receives the notifications cannot display HTML emails, this is not a configurable option. Is it possible for gravity forms to send notifications in a text format and is it possible to format this output so that data in the forms is not randomly spaced and confusing?
or alternatively adding the notification as a HTML attachment?
Currently emails are only sent as HTML. To send them as plain text you would have to edit the core plugin files and change it there. We do plan on adding a hook so it can be changed via a hook in a future release.
You could try using the wp_mail_content_type filter... check out the last comment: http://wordpress.org/support/topic/wp_mail_content_type?replies=5
There is...you want the header for Content-Type to be "multipart/alternative", then separate the text from the html with a boundary.
It's complicated. You need to pass that with the $headers parameter for wp_mail().
Here's more information:
http://articles.sitepoint.com/article/advanced-email-php/4
You should also check out how wp_mail() function works by looking at the source:
http://core.trac.wordpress.org/browser/trunk/wp-mail.php
Carl, can you explain where in the core files I would need to change this? My studio management software requires plain text emails. I'm kind of stuck right now, any help would be great.
You would edit common.php in the gravityforms plugin folder. Search for the wp_mail function call. Just above the line that calls wp_mail is a line that sets the Content-type for the email being sent to text/html. You need to change it to text/plain.
