/// <summary>
/// 初始化邮件服务配置
/// </summary>
/// <param name="config">邮件服务设置</param>
public void Init(EmailServiceSettings config)
{
this.Settings = config;
}
/// <summary>
/// 初始化一个<see cref="EmailService"/>类型的实例
/// </summary>
/// <param name="settings">邮件服务设置</param>
public EmailService(EmailServiceSettings settings)
{
Init(settings);
}