send emails in unicode, fixes #31

smtp/server.go

@@ -51,6 +51,7 @@ func NewServer(cfg *Config) *Server {
 	s.WriteTimeout = 10 * time.Second
 	s.MaxMessageBytes = cfg.MaxSize * 1024 * 1024
 	s.EnableREQUIRETLS = cfg.TLSRequired
+	s.EnableSMTPUTF8 = true
 	if log.GetLevel() == "DEBUG" || log.GetLevel() == "TRACE" {
 		s.Debug = os.Stdout
 	}

utils/email.go

@@ -110,6 +110,10 @@ func (e *Email) Compose(privkey string) string {
 	var data strings.Builder
 
 	domain := strings.SplitN(e.From, "@", 2)[1]
+
+	data.WriteString("Content-Type: text/plain; charset=\"UTF-8\"")
+	data.WriteString("\r\n")
+
 	data.WriteString("From: ")
 	data.WriteString(e.From)
 	data.WriteString("\r\n")