Imports blitiri.com.ar/go/spf github.com/chrj/smtpd github.com/emersion/go-msgauth/dkim github.com/emersion/go-msgauth/dmarc go.uber.org/zap golang.org/x/net/publicsuffix Imports in module “github.com/coronon/pingpong-mail” github.com/coronon/pingpong-mail/internal/config github.com/coronon/pingpong-mail/internal/util Standard library imports bytes fmt net strings