In some cases the Swift content type changes to multipart/mixed. I believe the message should be treated as html rather than text.
Unfortunately I can't find any clear documentation on exactly when the content type changes. In my case I noticed it when creating an html email which includes inline images and/or document attachments.
In some cases the Swift content type changes to
multipart/mixed
. I believe the message should be treated ashtml
rather thantext
.Unfortunately I can't find any clear documentation on exactly when the content type changes. In my case I noticed it when creating an html email which includes inline images and/or document attachments.