Paste your email address, password (you have to get it from your email service as password for external apps with protocol IMAP/POP3), your Imap server url (for example: imap.mail.ru for mail ru), and your bot token in appsetting.json; Also before reciving messages, you have to init your bot (send it /start). Bot will send you your telegram id. Then you have to paste it in appstting.json admins