add reply-to

email.go

@@ -39,6 +39,7 @@ var ErrMissingContentType = errors.New("No Content-Type found for MIME entity")
 
 // Email is the type used for email messages
 type Email struct {
+ ReplyTo []string
  From string
  To []string
  Bcc []string
@@ -251,13 +252,16 @@ func (e *Email) AttachFile(filename string) (a *Attachment, err error) {
 func (e *Email) msgHeaders() (textproto.MIMEHeader, error) {
  res := make(textproto.MIMEHeader, len(e.Headers)+4)
  if e.Headers != nil {
- for _, h := range []string{"To", "Cc", "From", "Subject", "Date", "Message-Id", "MIME-Version"} {
+ for _, h := range []string{"Reply-To", "To", "Cc", "From", "Subject", "Date", "Message-Id", "MIME-Version"} {
  if v, ok := e.Headers[h]; ok {
  res[h] = v
  }
  }
  }
  // Set headers if there are values.
+ if _, ok := res["Reply-To"]; !ok && len(e.ReplyTo) > 0 {
+ res.Set("Reply-To", strings.Join(e.ReplyTo, ", "))
+ }
  if _, ok := res["To"]; !ok && len(e.To) > 0 {
  res.Set("To", strings.Join(e.To, ", "))
  }
@@ -468,12 +472,12 @@ func (e *Email) SendWithTLS(addr string, a smtp.Auth, t *tls.Config) error {
  if err != nil {
  return err
  }
- 
+
  conn, err := tls.Dial("tcp", addr, t)
  if err != nil {
  return err
  }
- 
+
  c, err := smtp.NewClient(conn, t.ServerName)
  if err != nil {
  return err