c# 支持SMTP服务器认证的邮件发送类

}

}

else

{

tempint=maidomain.IndexOf(":");

if(tempint!=-1)

{

mailserver=maidomain.Substring(0,tempint);

mailserverport=System.Convert.ToInt32(maidomain.Substring(tempint+1,maidomain.Length-tempint-1));

}

else

{

mailserver=maidomain;

}

}

}

}

}

/// <summary>

/// 邮件服务器端口号

/// </summary>

private int mailserverport=25;

/// <summary>

/// 邮件服务器端口号

/// </summary>

public int MailDomainPort

{

set

{

mailserverport=value;

}

}

/// <summary>

/// 是否需要SMTP验证

/// </summary>

private bool ESmtp=false;

/// <summary>

/// SMTP认证时使用的用户名

/// </summary>

private string username="";

/// <summary>