Tries to get attachment filename.
Returned addresses are normalized and lowercased.
Returned addresses are normalized and lowercased.
return mimetype and viewtype for a parsed mail
Returned addresses are normalized and lowercased.
Marks a message as failed after an ndn (non-delivery-notification) arrived.
Where appropriate, also adds an info message telling the user which of the recipients of a group message failed.
Parses Autocrypt-Gossip
headers from the email and applies them to peerstates.
Params:
from: The address which sent the message currently being parsed