Imports github.com/emersion/go-imap github.com/mmcdole/gofeed github.com/emersion/go-imap/client Standard library imports mime crypto/sha1 net/mail mime/quotedprintable text/template net/smtp html mime/multipart bytes os/signal encoding/hex encoding/json errors flag fmt io io/ioutil log net/http net/url os path regexp strings sync syscall time