| EMAIL发送系统(C#+基于SMTP认证)[转] |
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| EMAIL发送系统(C#+基于SMTP认证)[转] |
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作者：佚名 文章来源：不详 点击数： 更新时间：2006-12-6 1:06:56  |
return false;
SendBufferstr="DATA" + ENTER;
if(!Dialog(SendBufferstr,_NetworkStream))
return false;
SendBufferstrBuilder.Append("From:" + fromName + "<" + from +">" +ENTER);
SendBufferstrBuilder.Append("To:=?"+Charset.ToUpper()+"?B?"+Base64Encode(recipientName)+"?="+"<"+recipients[0]+">"+ENTER);
SendBufferstrBuilder.Append("CC:");
for(int i=0;i {
SendBufferstrBuilder.Append(recipients[i].ToString() + "<" + recipients[i].ToString() +">,");
}
SendBufferstrBuilder.Append(ENTER);
SendBufferstrBuilder.Append(((subject==String.Empty || subject==null)?"Subject:":((Charset=="")?("Subject:" + subject):("Subject:" + "=?" + Charset.ToUpper() + "?B?" + Base64Encode(subject) +"?="))) + ENTER);
SendBufferstrBuilder.Append("X-Priority:" + priority + ENTER);
SendBufferstrBuilder.Append("X-MSMail-Priority:" + priority + ENTER);
SendBufferstrBuilder.Append("Importance:" + priority + ENTER);
SendBufferstrBuilder.Append("X-Mailer: Lion.Web.Mail.SmtpMail Pubclass [cn]" + ENTER);
SendBufferstrBuilder.Append("MIME-Version: 1.0" + ENTER);
if(attachments != null && attachments.Count!=0)
{
SendBufferstrBuilder.Append("Content-Type: multipart/mixed;" + ENTER);
SendBufferstrBuilder.Append(" boundary=\"====="+(isHtml?"001_Dragon520636771063_":"001_Dragon303406132050_")+"=====\""+ENTER+ENTER);
}
if(isHtml)
{
if(attachments != null && attachments.Count==0)
{
SendBufferstrBuilder.Append("Content-Type: multipart/alternative;"+ENTER);//内容格式和分隔符
SendBufferstrBuilder.Append(" boundary=\"=====003_Dragon520636771063_=====\""+ENTER+ENTER);
SendBufferstrBuilder.Append("This is a multi-part message in MIME format."+ENTER+ENTER);
}
else
{
SendBufferstrBuilder.Append("This is a multi-part message in MIME format."+ENTER+ENTER);
SendBufferstrBuilder.Append("--=====001_Dragon520636771063_====="+ENTER);
SendBufferstrBuilder.Append("Content-Type: multipart/alternative;"+ENTER);//内容格式和分隔符
SendBufferstrBuilder.Append(" boundary=\"=====003_Dragon520636771063_=====\""+ENTER+ENTER);
}
SendBufferstrBuilder.Append("--=====003_Dragon520636771063_====="+ENTER);
SendBufferstrBuilder.Append("Content-Type: text/plain;"+ ENTER);
SendBufferstrBuilder.Append(((Charset=="")?(" charset=\"iso-8859-1\""):(" charset=\"" + Charset.ToLower() + "\"")) + ENTER);
SendBufferstrBuilder.Append("Content-Transfer-Encoding: base64" + ENTER + ENTER);
SendBufferstrBuilder.Append(Base64Encode("邮件内容为HTML格式，请选择HTML方式查看") + ENTER + ENTER);
SendBufferstrBuilder.Append("--=====003_Dragon520636771063_====="+ENTER);
SendBufferstrBuilder.Append("Content-Type: text/html;" + ENTER);
SendBufferstrBuilder.Append(((Charset=="")?(" charset=\"iso-8859-1\""):(" charset=\"" + Charset.ToLower() + "\"")) + ENTER);
SendBufferstrBuilder.Append("Content-Transfer-Encoding: base64" + ENTER + ENTER);
SendBufferstrBuilder.Append(Base64Encode(body) + ENTER + ENTER);
SendBufferstrBuilder.Append("--=====003_Dragon520636771063_=====--"+ENTER);
}
else
{
if(attachments != null && attachments.Count!=0)
{
SendBufferstrBuilder.Append("--=====001_Dragon303406132050_====="+ENTER);
}
SendBufferstrBuilder.Append("Content-Type: text/plain;" + ENTER);
SendBufferstrBuilder.Append(((Charset=="")?(" charset=\"iso-8859-1\""):(" charset=\"" + Charset.ToLower() + "\"")) + ENTER);
SendBufferstrBuilder.Append("Content-Transfer-Encoding: base64" + ENTER + ENTER);
SendBufferstrBuilder.Append(Base64Encode(body) + ENTER);
}
//SendBufferstr += "Content-Transfer-Encoding: base64"+ENTER;
if(attachments != null && attachments.Count!=0)
{
for(int i=0;i {
string filepath = (string)attachments[i];
SendBufferstrBuilder.Append("--====="+ (isHtml?"001_Dragon520636771063_":"001_Dragon303406132050_") +"====="+ENTER);
//SendBufferstr += "Content-Type: application/octet-stream"+ENTER;
SendBufferstrBuilder.Append("Content-Type: text/plain;"+ENTER);
SendBufferstrBuilder.Append(" name=\"=?"+Charset.ToUpper()+"?B?"+Base64Encode(filepath.Substring(filepath.LastIndexOf("\\")+1))+"?=\""+ENTER);
SendBufferstrBuilder.Append("Content-Transfer-Encoding: base64"+ENTER);
SendBufferstrBuilder.Append("Content-Disposition: attachment;"+ENTER);
SendBufferstrBuilder.Append(" filename=\"=?"+Charset.ToUpper()+"?B?"+Base64Encode(filepath.Substring(filepath.LastIndexOf("\\")+1))+"?=\""+ENTER+ENTER);
SendBufferstrBuilder.Append(GetStream(filepath)+ENTER+ENTER);
}
SendBufferstrBuilder.Append("--====="+ (isHtml?"001_Dragon520636771063_":"001_Dragon303406132050_") +"=====--"+ENTER+ENTER);
}
SendBufferstrBuilder.Append(ENTER + "." + ENTER);
SendBufferstr = SendBufferstrBuilder.ToString();
if(!Dialog(SendBufferstr,_NetworkStream))
return false;
SendBufferstr="QUIT" + ENTER;
if(!Dialog(SendBufferstr,_NetworkStream))
return false;
return true;
}
#endregion
#region
/*
///
/// 添加一个密件收件人
///
/// 收件人地址
public bool AddRecipientBCC(string str)
{
if(str==null||str.Trim()=="")
return true;
if(RecipientBCCNum<10)
{
RecipientBCC.Add(RecipientBCCNum,str);
RecipientBCCNum++;
return true;
}
else
{
m_logs.Append("错误：收件人过多");
return false;
}
}
///
/// 添加一组密件收件人（不超过10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10个）
public bool AddRecipientBCC(string[] str)
{
for(int i=0;i {
if(!AddRecipientBCC(str[i]))
{
return false;
}
}
return true;
}
*/
#endregion
}
///
/// 邮件发送优先级
///
public enum Priority
{
High,
Normal,
Low
}
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