Hi @mhines ,
Do you want to save emails to corresponding folders according to the “From” email address?
Please check if the following flow will be working for you.
First, the SharePoint list contains two columns, From and FolderPath, both of them are of type Single line of text.
Then start the flow likes below. In the action Get items, input below statement to filter out the specific item:
From eq 'From'
Note: dynamic content comes from the trigger, which should be surrounded with a single quote.
Then within the apply to each, export the email first, then create a file to the corresponding folder path. Note, select dynamic content FolderPath from action Get items for the Folder path field.
An image for your reference.

Best regards,
Mabel