fix: Resolve the issue of not receiving emails when the sender's name is in Chinese (#12121)

#12006

agent/app/service/alert.go

@@ -15,6 +15,7 @@ import (
 	"github.com/1Panel-dev/1Panel/agent/utils/email"
 	"github.com/1Panel-dev/1Panel/agent/utils/xpack"
 	"github.com/shirou/gopsutil/v4/disk"
+	"mime"
 	"sort"
 	"strings"
 	"sync"
@@ -483,13 +484,14 @@ func (a AlertService) TestAlertConfig(req dto.AlertConfigTest) (bool, error) {
 	if username == "" {
 		username = req.Sender
 	}
+	encodedDisplayName := mime.BEncoding.Encode("UTF-8", req.DisplayName)
 	cfg := email.SMTPConfig{
 		Host:       req.Host,
 		Port:       req.Port,
 		Sender:     req.Sender,
 		Username:   username,
 		Password:   req.Password,
-		From:       fmt.Sprintf(`"%s" <%s>`, req.DisplayName, req.Sender),
+		From:       fmt.Sprintf(`"%s" <%s>`, encodedDisplayName, req.Sender),
 		Encryption: req.Encryption,
 		Recipient:  req.Recipient,
 	}

agent/utils/alert/alert.go

@@ -15,6 +15,7 @@ import (
 	"github.com/1Panel-dev/1Panel/agent/utils/psutil"
 	"github.com/1Panel-dev/1Panel/agent/utils/re"
 	"github.com/jinzhu/copier"
+	"mime"
 	network "net"
 	"net/http"
 	"os"
@@ -71,13 +72,14 @@ func CreateEmailAlertLog(create dto.AlertLogCreate, alert dto.AlertDTO, params [
 		if username == "" {
 			username = emailInfo.Sender
 		}
+		encodedDisplayName := mime.BEncoding.Encode("UTF-8", emailInfo.DisplayName)
 		smtpConfig := email.SMTPConfig{
 			Host:       emailInfo.Host,
 			Port:       emailInfo.Port,
 			Sender:     emailInfo.Sender,
 			Username:   username,
 			Password:   emailInfo.Password,
-			From:       fmt.Sprintf(`"%s" <%s>`, emailInfo.DisplayName, emailInfo.Sender),
+			From:       fmt.Sprintf(`"%s" <%s>`, encodedDisplayName, emailInfo.Sender),
 			Encryption: emailInfo.Encryption,
 			Recipient:  emailInfo.Recipient,
 		}

agent/utils/email/smtp_sender.go

@@ -120,8 +120,7 @@ func parseRecipients(recipient string) []string {
 
 func buildMessage(config SMTPConfig, message EmailMessage, toList []string) (string, error) {
 	headers := make(map[string]string)
-	encodedFrom := mime.BEncoding.Encode("UTF-8", config.From)
-	headers["From"] = encodedFrom
+	headers["From"] = config.From
 	encodedSubject := mime.BEncoding.Encode("UTF-8", message.Subject)
 	headers["Subject"] = encodedSubject
 	headers["To"] = strings.Join(toList, ",")