Any and all messages I have downloaded from my yahoo account to thunderbird when I try to forward the same email back to the yahoo account in thunderbird an error message comes up. I have try forwarding just one of my messages back to my yahoo account and multiple and neither work. This is the exact message that comes up.
There was a problem:
There is a problem with one or more of the attached files. Please remove and re-attach your files, and try again.
Your message has not been sent.
See complete Yahoo error response for more details.