Imports github.com/PerpetualCreativity/fancyChecks github.com/emersion/go-imap github.com/emersion/go-imap/client github.com/emersion/go-message/mail github.com/emersion/go-sasl github.com/emersion/go-smtp github.com/spf13/viper Standard library imports fmt io io/ioutil strconv strings time