Simple library to connect to a POP3/IMAP/NNTP mail server and receive mails (with attachements)

Necessary Settings as Input:

• host: The address of the mail server
• port: The port to access to the mail server
• username: The username of the account
• password: The password of the account
• protocol: Protocol used to connect with the mail server. Options:
  • imap
  • pop3
  • nntp
• ssl: Secure Socket Layer. true or false
• folder: The specific folder that belongs to the mailbox