Fearure:

- 增加收件箱功能（有BUG）
- 增加已发送|草稿箱|发送历史 本地记录

email.go

@@ -40,6 +40,39 @@ func (m Model) sendEmailCmd() tea.Cmd {
 		to := strings.Split(m.To.Value(), ToSeparator)
 		cc := strings.Split(m.Cc.Value(), ToSeparator)
 		bcc := strings.Split(m.Bcc.Value(), ToSeparator)
+
+		deliveryMethod := "smtp"
+		if m.DeliveryMethod == Resend {
+			deliveryMethod = "resend"
+		}
+
+		toStr := m.To.Value()
+		ccStr := m.Cc.Value()
+		bccStr := m.Bcc.Value()
+		bodyText := m.Body.Value()
+
+		html := bytes.NewBufferString("")
+		goldmark.Convert([]byte(bodyText), html)
+		bodyHTML := html.String()
+
+		attachmentsJSON := getAttachmentsJSON(attachments)
+
+		emailID, saveErr := SaveEmail(
+			m.From.Value(),
+			toStr,
+			ccStr,
+			bccStr,
+			m.Subject.Value(),
+			bodyText,
+			bodyHTML,
+			attachmentsJSON,
+			deliveryMethod,
+			StatusDraft,
+		)
+		if saveErr != nil {
+			fmt.Fprintf(os.Stderr, "Failed to save email to history: %v\n", saveErr)
+		}
+
 		switch m.DeliveryMethod {
 		case SMTP:
 			err = sendSMTPEmail(to, cc, bcc, m.From.Value(), m.Subject.Value(), m.Body.Value(), attachments)
@@ -55,6 +88,13 @@ func (m Model) sendEmailCmd() tea.Cmd {
 			}
 			return sendEmailFailureMsg(err)
 		}
+
+		if emailID > 0 {
+			if updateErr := UpdateEmailStatus(emailID, StatusSent); updateErr != nil {
+				fmt.Fprintf(os.Stderr, "Failed to update email status: %v\n", updateErr)
+			}
+		}
+
 		return sendEmailSuccessMsg{}
 	}
 }
@@ -64,6 +104,8 @@ const gmailSMTPHost = "smtp.gmail.com"
 const gmailSMTPPort = 587
 
 func sendSMTPEmail(to, cc, bcc []string, from, subject, body string, attachments []string) error {
+	validFrom := getValidFromAddress(from, smtpUsername)
+
 	server := mail.NewSMTPClient()
 
 	var err error
@@ -92,8 +134,8 @@ func sendSMTPEmail(to, cc, bcc []string, from, subject, body string, attachments
 	}
 
 	server.KeepAlive = false
-	server.ConnectTimeout = 10 * time.Second
-	server.SendTimeout = 10 * time.Second
+	server.ConnectTimeout = 30 * time.Second
+	server.SendTimeout = 30 * time.Second
 	server.TLSConfig = &tls.Config{
 		InsecureSkipVerify: smtpInsecureSkipVerify, //nolint:gosec
 		ServerName:         server.Host,
@@ -102,11 +144,11 @@ func sendSMTPEmail(to, cc, bcc []string, from, subject, body string, attachments
 	smtpClient, err := server.Connect()
 
 	if err != nil {
-		return err
+		return fmt.Errorf("SMTP连接失败: %w", err)
 	}
 
 	email := mail.NewMSG()
-	email.SetFrom(from).
+	email.SetFrom(validFrom).
 		AddTo(to...).
 		AddCc(cc...).
 		AddBcc(bcc...).