疯狂代码 http://CrazyCoder.cn/ ĵ:http:/CrazyCoder.cn/DotNet/Article475.html
///
/// private
sendCommand(
cmd,bool isMailData ) {
( cmd!=null && cmd.Trim( )!= .Empty ) {
cmd_b=null;
( !isMailData )//不是邮件数据 cmdCRLF; logscmd;
//开始写入邮件数据 ( !isMailData ) {
cmd_b=Encoding.ASCII.GetBytes( cmd ); ns.Write( cmd_b,0,cmd_b.Length ); }
{
cmd_b=Encoding.GetEncoding(
this.mailEncodingName ).GetBytes( cmd );
ns.BeginWrite( cmd_b,0,cmd_b.Length, AsyncCallback( this.asyncCallBack ),null ); }
//读取服务器响应
StreamReader reader= StreamReader( ns );
response=reader.ReadLine( ); logsresponse+CRLF; //检查状态码
statusCode=response.Sub ( 0,3 );
bool isExist=false;
bool isRightCode=true; foreach( err in
this.errorCodes.Keys ) {
( statusCodeerr ) {
isExist=true;
isRightCode=false; ; } }
foreach( right in
this.rightCodes.Keys ) {
( statusCoderight ) {
isExist=true; ; } }
//根据状态码来处理下步动作 ( !isExist ) //不是合法SMTP主机 {
this.Error( \"不是合法SMTP主机,或服务器拒绝服务\" ); }
( !isRightCode )//命令没能成功执行 {
this.Error( statusCode+\":\"+
this.errorCodes[statusCode] ); }
//命令成功执行 {
this.errorMessage=\"\"; }
response; }
{
null; } }
/// /// 通过auth login方式登陆smtp服务器 ///
private void landingByLogin( ) {
baseUserId=
this.convertBaseString( this.UserID,\"ASCII\" );
basePass=
this.convertBaseString( this.Password,\"ASCII\" ); //握手
this.sendCommand( \"helo \"+ this.serverName,false ); //开始登陆
this.sendCommand( \"auth login\
this.sendCommand( baseUserId,false );
this.sendCommand( basePass,false ); }
/// /// 通过auth plain方式登陆服务器 ///
private void landingByPlain( ) {
NULL=( ( char )0 ).( );
loginStr=NULL+ this.UserID+NULL+ this.Password;
baseLoginStr=
this.convertBaseString( loginStr,\"ASCII\" ); //握手
this.sendCommand( \"helo \"+ this.serverName,false ); //登陆
this.sendCommand( baseLoginStr,false ); }
/// /// 通过auth CRAM-MD5方式登陆 ///
private void landingByCRAMMD5( ) {
//握手
this.sendCommand( \"helo \"+ this.serverName,false ); //登陆
response=
this.sendCommand( \"auth CRAM-MD5\ //得到服务器返回标识
identier=response.Remove( 0,4 ); //用MD5加密标识
KSN_MACTripleDES mac= KSN_MACTripleDES( ); mac.Key=
this.Password;
mac.Data=Encoding.ASCII.GetBytes( identier );
hash=mac.GetHashValue( ); //发送用户帐号信息 this.sendCommand(
this.UserID+\" \"+hash,false ); }
/// ///
public bool SendMail( MailMessage mail ) {
bool isSended=true; try {
//检测发送邮件必要条件 ( mail.Sendernull ) {
this.Error( \"没有设置发信人\" ); }
( mail.Receivers.Count0 ) {
this.Error( \"至少要有个收件人\" ); } (
this.SmtpValidateType!=SmtpValidateTypes.None ) { (
this.useridnull || this.passwordnull ) {
this.Error( \"当前设置需要smtp验证,但是没有给出登陆帐号\" ); } }
//开始登陆 switch(
this.SmtpValidateType ) {
SmtpValidateTypes.None: this.sendCommand( \"helo \"+ this.serverName,false ); ;
SmtpValidateTypes.Login: this.landingByLogin( ); ;
SmtpValidateTypes.Plain: this.landingByPlain( ); ;
SmtpValidateTypes.CRAMMD5: this.landingByCRAMMD5( ); ;
default: ; }
//化邮件会话( 对应SMTP命令mail )
this.sendCommand( \"mail from:<\"+mail.Sender+\">\ //标识收件人( 对应SMTP命令Rcpt ) foreach(
receive in mail.Receivers ) {
this.sendCommand( \"rcpt to:<\"+receive+\">\ }
//标识开始输入邮件内容( Data ) this.sendCommand( \"data\ //开始编写邮件内容
message=\"Subject:\"+mail.Subject+CRLF; message\"X-mailer:\"+mail.XMailer+CRLF;
message\"MIME-Version:1.0\"+CRLF; ( mail.Attachments.Count0 )//没有附件 {
( mail.MailTypeMailTypes.Text ) //文本格式 {
message\"Content-Type:text/plain; \"+CRLF+\" \".PadRight( 8,' ' )+\" char=\"\"+
mail.MailEncoding.( )+\"\"\"+CRLF;
message\"Content-Transfer-Encoding:base\"+CRLF+CRLF; ( mail.MailBody!=null )
messageConvert.ToBaseString( mail.MailBody,0,mail.MailBody.Length)+CRLF+CRLF+CRLF+\".\"+CRLF; }
//Html格式 {
message\"Content-Type:multipart/alertnative; \"+CRLF+\" \".PadRight( 8,' ' )+\"boundary\"
+\"=\"=003_Dragon310083331177_=\"\"+CRLF+CRLF+CRLF;
message\"This is a multi-part message in MIME format\"+CRLF+CRLF; message\"--=003_Dragon310083331177_=\"+CRLF; message\"Content-Type:text/html; \"+CRLF+\" \".PadRight( 8,' ' )+\" char=\"\"+
mail.MailEncoding.( ).ToLower( )+\"\"\"+CRLF;
message\"Content-Transfer-Encoding:base\"+CRLF+CRLF; ( mail.MailBody!=null )
messageConvert.ToBaseString( mail.MailBody,0,mail.MailBody.Length)+CRLF+CRLF;
message\"--=003_Dragon310083331177_=--\"+CRLF+CRLF+CRLF+\".\"+CRLF; } }
//有附件 {
//处理要在邮件中显示每个附件数据
StringCollection attatchmentDatas= StringCollection( );
foreach(
path in mail.Attachments ) {
( !File.Exists( path ) ) {
this.Error( \"指定附件没有找到\"+path ); }
{
//得到附件字节流
FileInfo file= FileInfo( path );
FileStream fs= FileStream( path,FileMode.Open,FileAccess.Read ); ( fs.Length>( long ) .MaxValue ) {
this.Error( \"附件大小超出了最大\" ); }
file_b= [( )fs.Length];
fs.Read( file_b,0,file_b.Length ); fs.Close( );
attatchmentMailStr=\"Content-Type:application/octet-stream; \"+CRLF+\" \".PadRight( 8,' ' )+\"name=\"+ \"\"\"+file.Name+\"\"\"+CRLF;
attatchmentMailStr\"Content-Transfer-Encoding:base\"+CRLF; attatchmentMailStr\"Content-Disposition:attachment; \"+CRLF+\" \".PadRight( 8,' ' )+\"filename=\"+ \"\"\"+file.Name+\"\"\"+CRLF+CRLF;
attatchmentMailStrConvert.ToBaseString( file_b,0,file_b.Length)+CRLF+CRLF;
attatchmentDatas.Add( attatchmentMailStr ); } }
//设置邮件信息
( mail.MailTypeMailTypes.Text ) //文本格式
{
message\"Content-Type:multipart/mixed;
\"+CRLF+\" \".PadRight( 8,' ' )+\"boundary=\"=001_Dragon320037612222_=\"\" +CRLF+CRLF;
message\"This is a multi-part message in MIME format.\"+CRLF+CRLF; message\"--=001_Dragon320037612222_=\"+CRLF; message\"Content-Type:text/plain; \"+CRLF+\" \".PadRight( 8,' ' )+\"
char=\"\"+mail.MailEncoding.( ).ToLower( )+\"\"\"+CRLF;
message\"Content-Transfer-Encoding:base\"+CRLF+CRLF; ( mail.MailBody!=null )
messageConvert.ToBaseString( mail.MailBody,0,mail.MailBody.Length)+CRLF;
foreach(
s in attatchmentDatas ) {
message\"--=001_Dragon320037612222_=\"+CRLF+s+CRLF+CRLF; }
message\"--=001_Dragon320037612222_=--\"+CRLF+CRLF+CRLF+\".\"+CRLF; }
{
message\"Content-Type:multipart/mixed;
\"+CRLF+\" \".PadRight( 8,' ' )+\"boundary=\"=001_Dragon2555116284_=\"\" +CRLF+CRLF;
message\"This is a multi-part message in MIME format.\"+CRLF+CRLF; message\"--=001_Dragon2555116284_=\"+CRLF; message\"Content-Type:text/html; \"+CRLF+\" \".PadRight( 8,' ' )+\"
char=\"\"+mail.MailEncoding.( ).ToLower( )+\"\"\"+CRLF;
message\"Content-Transfer-Encoding:base\"+CRLF+CRLF; ( mail.MailBody!=null )
messageConvert.ToBaseString( mail.MailBody,0,mail.MailBody.Length)+CRLF+CRLF;
for( i=0;
i message\"--=001_Dragon2555116284_=--\"+CRLF+CRLF+CRLF+\".\"+CRLF; } } //发送邮件数据 this.mailEncodingName=mail.MailEncoding.( ); this.sendCommand( message,true ); ( this.sendIsComplete ) this.sendCommand( \"QUIT\ } catch { isSended=false; } finally { this.disconnect( ); //输出日志文件 ( this.LogPath!=null ) { FileStream fs=null; ( File.Exists( this.LogPath ) ) { fs= FileStream( this.LogPath,FileMode.Append,FileAccess.Write ); this.logs=CRLF+CRLF+ this.logs; } fs= FileStream( this.LogPath,FileMode.Create,FileAccess.Write ); logPath_b=Encoding.GetEncoding( \"gb2312\" ).GetBytes( this.logs ); fs.Write( logPath_b,0,logPath_b.Length ); fs.Close( ); } } isSended; } /// /// private void asyncCallBack( IAsyncResult result ) { ( result.IsCompleted ) this.sendIsComplete=true; } /// private void disconnect( ) { try { ns.Close( ); tc.Close( ); } catch { ; } } /// /// private void Error( errorStr ) { this.errorMessage=errorStr; logs this.errorMessage+CRLF+\"【邮件处理动作中止】\"+CRLF; this.disconnect( ); throw ApplicationException( \"\" ); } /// ///将串转换为base /// /// /// /// convertBaseString( str, encodingName ) { str_b=Encoding.GetEncoding( encodingName ).GetBytes( str ); Convert.ToBaseString( str_b,0,str_b.Length ); } #endregion } } 2009-1-9 12:47:24 疯狂代码 http://CrazyCoder.cn/ 因篇幅问题不能全部显示,请点此查看更多更全内容 private
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