I'm trying to upload email attachments when migrating emails to Hubspot using a c# console app.
I can see the emails under a contacts "activity" and it looks like an attachment was created succefully with a filesize that seams reasonable. But I cant preview or open any of the files. The files in pdf-format tries to open but get a "Error, failed to load PDF document"
Some filenames gets wierd and I'm not shure what I'm doing wrong here. The filenames look like: