#526 Mail to board sync fails for multipart messages

[Massimo Lanfranconi]

Sending and email to a mailman mailing list synced with a board behaves differently based on content:
(I am using Thunderbird)
- text only body => OK (no encoding)
- Text body + 1 or more attachments => text body is lost; Attachments are OK; mailman footer is OK. looks like is "eating up" the first 7BIT encoded part