feat: add SysWarn and SysWarnf logging functions; handle SMTP short response warning

common/logger/logger.go

@@ -57,6 +57,14 @@ func SysLogf(format string, a ...any) {
 	logHelper(nil, loggerINFO, fmt.Sprintf(format, a...))
 }
 
+func SysWarn(s string) {
+	logHelper(nil, loggerWarn, s)
+}
+
+func SysWarnf(format string, a ...any) {
+	logHelper(nil, loggerWarn, fmt.Sprintf(format, a...))
+}
+
 func SysError(s string) {
 	logHelper(nil, loggerError, s)
 }

common/message/email.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/logger"
 )
 
 func shouldAuth() bool {
@@ -102,5 +103,9 @@ func SendEmail(subject string, receiver string, content string) error {
 		return nil
 	}
 	err = smtp.SendMail(addr, auth, config.SMTPAccount, to, mail)
+	if err != nil && strings.Contains(err.Error(), "short response") { // 部分提供商返回该错误，但实际上邮件已经发送成功
+		logger.SysWarnf("short response from SMTP server, return nil instead of error: %s", err.Error())
+		return nil
+	}
 	return err
 }