#46 Adding foldername as header

[dd of borg]

I think it would be useful to add a header to retrieved
e-mails with a source folder name:

X-YahooPOPs-Folder: INBOX

or something. It's easier to filter the email this way.

[Anuj Seth]

Logged In: YES
user_id=157315

A header named X-YPOPs-Folder is added to each email.