/**
 * Email importance
 * 邮件重要性
 */
export declare enum EmailImportance {
    Low = "Low",
    Normal = "Normal",
    High = "High"
}
/**
 * Email priority
 * 邮件优先级
 */
export declare enum EmailPriority {
    NonUrgent = "NonUrgent",
    Normal = "Normal",
    Urgent = "Urgent"
}
/**
 * Send email message
 * 发送邮件消息
 */
export type SendEmailMessage = {
    /**
     * Subject
     * 主题
     */
    subject: string;
    /**
     * Body
     * 内容
     */
    body: string;
    /**
     * Recipients
     * 收件人
     */
    to: string[];
    /**
     * CC
     * 抄送人
     */
    cc?: string[];
    /**
     * BCC
     * 密送人
     */
    bcc?: string[];
    /**
     * Importance
     * 重要性
     */
    importance?: EmailImportance;
    /**
     * Priority
     * 优先级
     */
    priority?: EmailPriority;
};