作者：佚名 文章来源：不详 点击数： 更新时间：2006-12-6 1:06:56  |
ttachments.Add(filePath[i]);
}
else
{
m_logs.Append("错误：没找到文件名为"+filePath[i]+"的附件文件！"+ENTER);
}
}
return m_Attachments;
}
///
/// 添加一组收件人（不超过m_recipientMaxnum个），参数为字符串数组
///
/// 保存有收件人地址的字符串数组（不超过m_recipientMaxnum个）
private Hashtable AddRecipient(params string[] recipients)
{
if(recipients==null || recipients.Length == 0)
{
return null;
}
Hashtable recipientList=new Hashtable();// 收件人列表
for(int i=0;i {
string recipient = recipients[i].Trim();
if(recipient !=String.Empty && recipient.IndexOf("@") != -1)
{
recipientList.Add(recipientList.Count,recipients[i]);
}
}
return recipientList;
}
///
/// 发送邮件方法
///
/// smtp服务器信息，如"username:password@www.smtpServer.com:25"，也可去掉部分次要信息，如"www.smtpServer.com"
/// 发件人mail地址
/// 发件人姓名
/// 收件人地址列表
/// 收件人姓名
/// 是否HTML邮件
/// 邮件主题
/// 邮件正文
/// 邮件附件列表
public bool Send(string smtpServer,string from,string fromName,string[] recipientADD,string recipientName,bool isHtml,string subject,Priority priority, string body,string[] filePath)
{
//如果收件人多于服务器可同时发送的最大值，则分多次发送
if(recipientADD.Length > RecipientMaxNum)
{
string[] recipientADD1 = new string[RecipientMaxNum];
string[] recipientADD2 = new string[recipientADD.Length - RecipientMaxNum];
for(int i = 0;i < recipientADD.Length; i++)
{
if(i < RecipientMaxNum)
{
recipientADD1[i] = recipientADD[i];
}
else
{
recipientADD2[i - RecipientMaxNum] = recipientADD[i];
}
}
return Send(smtpServer,from,fromName,recipientADD1,recipientName,isHtml,subject,priority, body,filePath)
&&
Send(smtpServer,from,fromName,recipientADD2,recipientName,isHtml,subject,priority, body,filePath);
}
if(m_logs.Length > 2048)
{
m_logs.Remove(0,m_logs.Length);
}
string mailServer="";// 邮件服务器域名
int mailserverport=25;// 邮件服务器端口号
string userName="";// SMTP认证时使用的用户名
string password="";// SMTP认证时使用的密码
bool needSmtp=false;// 是否需要SMTP验证
SetMailDomain(smtpServer,out mailServer,out userName,out password,
out mailserverport,out needSmtp);
if(mailServer.Trim()=="")
{
m_logs.Append("必须指定SMTP服务器"+ENTER);
return false;
}
IList attachments = AddAttachment(filePath);// 邮件附件列表
Hashtable recipients = AddRecipient(recipientADD);// 收件人列表
if(recipients == null || recipients.Count == 0 )
{
m_logs.Append("必须指定收件人"+ENTER);
return false;
}
if(recipients.Count > RecipientMaxNum)
{
m_logs.Append("一次发送的收件人太多"+ENTER);
return false;
}
bool isSuccessful = false;
lock(this)
{
TcpClient tcpClientObject = null;// TcpClient对象，用于连接服务器
NetworkStream networkStreamObject = null;// NetworkStream对象
DateTime dateTimeBegin = DateTime.Now;
int useTime = 0;
while(! ( useTime > RepeatTime || isSuccessful))
{
try
{
tcpClientObject=new TcpClient(mailServer,mailserverport);
networkStreamObject = tcpClientObject.GetStream();
isSuccessful =SendEmail(networkStreamObject,needSmtp,mailServer,userName,password,recipients,from,
fromName,recipientName,subject,priority.ToString(),attachments, isHtml, body);
}
catch(Exception e)
{
m_logs.Append("错误："+e.Message+ENTER);
}
finally
{
if(networkStreamObject!=null)networkStreamObject.Close();
if(tcpClientObject!=null)tcpClientObject.Close();
if(!isSuccessful)
{
string n = Thread.CurrentThread.Name;
Thread.Sleep(WaitTime);
}
useTime = ((TimeSpan)(DateTime.Now - dateTimeBegin)).Seconds;
}
}
}
return isSuccessful;
}
#endregion
#region Private Helper Functions
///
/// SMTP回应代码哈希表
///
private void SMTPCodeAdd()
{
m_ErrCodeHT.Add("500","邮箱地址错误");
m_ErrCodeHT.Add("501","参数格式错误");
m_ErrCodeHT.Add("502","命令不可实现");
m_ErrCodeHT.Add("503","服务器需要SMTP验证");
m_ErrCodeHT.Add("504","命令参数不可实现");
m_ErrCodeHT.Add("421","服务未就绪，关闭传输信道");
m_ErrCodeHT.Add("450","要求的邮件操作未完成，邮箱不可用（例如，邮箱忙）");
m_ErrCodeHT.Add("550","要求的邮件操作未完成，邮箱不可用（例如，邮箱未找到，或不可访问）");
m_ErrCodeHT.Add("451","放弃要求的操作；处理过程中出错");
m_ErrCodeHT.Add("551","用户非本地，请尝试");
m_ErrCodeHT.Add("452","系统存储不足，要求的操作未执行");
m_ErrCodeHT.Add("552","过量的存储分配，要求的操作未执行");
m_ErrCodeHT.Add("553","邮箱名不可用，要求的操作未执行（例如邮箱格式错误）");
m_ErrCodeHT.Add("432","需要一个密码转换");
m_ErrCodeHT.Add("534","认证机制过于简单");
m_ErrCodeHT.Add("538","当前请求的认证机制需要加密");
m_ErrCodeHT.Add("454","临时认证失败");
m_ErrCodeHT.Add("530","需要认证");
m_RightCodeHT.Add("220","服务就绪");
m_RightCodeHT.Add("250","要求的邮件操作完成");
m_RightCodeHT.Add("251","用户非本地，将转发向");
m_RightCodeHT.Add("354","开始邮件输入，以.结束");
m_RightCodeHT.Add("221","服务关闭传输信道");
m_RightCodeHT.Add("334","服务器响应验证Base64字符串");
m_RightCodeHT.Add("235","验证成功");
}
///
/// 将字符串编码为Base64字符串
///
/// 要编码的字符串
private string Base64Encode(string str)
{
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