如何用Delphi编制一个支持服务器认证的Smtp邮件程序? 需要察看RFC规范,然后在Delphi下的SMTP控件基础上根据规范添加相应的处理代码 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 //窗体上有一个BUTTON控件,一个LABEL控件,一个NMSMTP控件//带密码险证的邮件发送程序需要BASE64编码,DecodeBase64和 EncodeBase64//为解码和编码函数//在263、163和SOHU上都能发送成功unit Unit1;interfaceuses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, Psock, NMsmtp, ComCtrls;type TForm1 = class(TForm) NMSMTP1: TNMSMTP; Button1: TButton; Label1: TLabel; procedure Button1Click(Sender: TObject); procedure NMSMTP1Connect(Sender: TObject); procedure NMSMTP1InvalidHost(var Handled: Boolean); procedure NMSMTP1ConnectionFailed(Sender: TObject); procedure NMSMTP1Status(Sender: TComponent; Status: String); procedure NMSMTP1SendStart(Sender: TObject); procedure NMSMTP1Success(Sender: TObject); private { Private declarations } public { Public declarations } end;//BaseTable为BASE64码表const BaseTable:string='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';var Form1: TForm1; AuthSucc:boolean;// 是否需要密码验证 function DecodeBase64(Source:string):string; //解码函数 function FindInTable(CSource:char):integer; // function EncodeBase64(Source:string):string; //编码函数implementation{$R *.DFM}//function FindInTable(CSource:char):integer;begin result:=Pos(string(CSource),BaseTable)-1;end;////function DecodeBase64(Source:string):string;var SrcLen,Times,i:integer; x1,x2,x3,x4,xt:byte;begin result:=''; SrcLen:=Length(Source); Times:=SrcLen div 4; for i:=0 to Times-1 do begin x1:=FindInTable(Source[1+i*4]); x2:=FindInTable(Source[2+i*4]); x3:=FindInTable(Source[3+i*4]); x4:=FindInTable(Source[4+i*4]); x1:=x1 shl 2; xt:=x2 shr 4; x1:=x1 or xt; x2:=x2 shl 4; result:=result+chr(x1); if x3= 64 then break; xt:=x3 shr 2; x2:=x2 or xt; x3:=x3 shl 6; result:=result+chr(x2); if x4=64 then break; x3:=x3 or x4; result:=result+chr(x3); end;end;/////function EncodeBase64(Source:string):string;var Times,LenSrc,i:integer; x1,x2,x3,x4:char; xt:byte;begin result:=''; LenSrc:=length(Source); if LenSrc mod 3 =0 then Times:=LenSrc div 3 else Times:=LenSrc div 3 + 1; for i:=0 to times-1 do begin if LenSrc >= (3+i*3) then begin x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1]; xt:=(ord(Source[1+i*3]) shl 4) and 48; xt:=xt or (ord(Source[2+i*3]) shr 4); x2:=BaseTable[xt+1]; xt:=(Ord(Source[2+i*3]) shl 2) and 60; xt:=xt or (ord(Source[3+i*3]) shr 6); x3:=BaseTable[xt+1]; xt:=(ord(Source[3+i*3]) and 63); x4:=BaseTable[xt+1]; end else if LenSrc>=(2+i*3) then begin x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1]; xt:=(ord(Source[1+i*3]) shl 4) and 48; xt:=xt or (ord(Source[2+i*3]) shr 4); x2:=BaseTable[xt+1]; xt:=(ord(Source[2+i*3]) shl 2) and 60; x3:=BaseTable[xt+1]; x4:='='; end else begin x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1]; xt:=(ord(Source[1+i*3]) shl 4) and 48; x2:=BaseTable[xt+1]; x3:='='; x4:='='; end; result:=result+x1+x2+x3+x4; end;end;//////////procedure TForm1.Button1Click(Sender: TObject);var MailTo,MailBody:TStringList;beginNmsmtp1.Host :='smtp.sohu.com';nmsmtp1.Port :=25;nmsmtp1.UserID :='linbch';//发信人的用户名,必须是真实的nmsmtp1.ReportLevel :=1;Nmsmtp1.TimeOut :=10000;nmsmtp1.Connect ; ///连接if AuthSucc=true then ////验证成功begin MailTo:=TStringList.Create; MailTo.Add('[email protected]'); MailBody.Add('Hello it is a test'); nmsmtp1.PostMessage.FromAddress:='[email protected]'; //发信人的电子邮件地址 nmsmtp1.PostMessage.ToAddress :=MailTo; nmsmtp1.PostMessage.Body:=MailBody; nmsmtp1.PostMessage.Subject :='My test'; Mailto.Clear ; //Mailto.Add('c:\a.txt'); //Mailto.Add('c:\b.txt'); //nmsmtp1.PostMessage.Attachments:=MailTo; 附件 MailTo.Free ; MailBody.Free; nmsmtp1.SendMail;end;end;procedure TForm1.NMSMTP1Connect(Sender: TObject);begin//////连接成功,下面用户认证过程 label1.caption:=nmsmtp1.Status; if nmsmtp1.ReplyNumber = 250 then label1.caption:=nmsmtp1.Transaction('auth login'); //开始认证 if nmsmtp1.ReplyNumber =334 then //返回值为334,让你输入用BASE64编码后的用户名 label1.caption:=nmsmtp1.Transaction('YWFhYWE=');// 用户名aaaaa if nmsmtp1.ReplyNumber =334 then // 返回值为334,让你输入用BASE64编码后的用户密码 label1.caption:=nmsmtp1.Transaction('MTIzNDU2'); //密码为123456 if nmsmtp1.ReplyNumber =235 then begin label1.caption:='successful'; AuthSucc:=true; end; //showmessage(label1.caption);end;procedure TForm1.NMSMTP1InvalidHost(var Handled: Boolean);begin label1.caption :='Invalid Host';end;procedure TForm1.NMSMTP1ConnectionFailed(Sender: TObject);beginlabel1.caption :='connect failed';end;procedure TForm1.NMSMTP1Status(Sender: TComponent; Status: String);begin label1.caption :=nmsmtp1.Status ;end;procedure TForm1.NMSMTP1SendStart(Sender: TObject);begin label1.Caption :='start send';end;procedure TForm1.NMSMTP1Success(Sender: TObject);begin label1.Caption:='send success!';end;end.记得给分呀......................... 【转帖】RAD studio XE (Delphi2011) 世界巡回展9月开始 Delphi 7 修改数据库 有时失败! dll中如何调用主叫程序中的一些事件? 利用TTable存储数据的问题? 可能是Windows文件保护的问题,最先解决的分全拿 ++++ 解决立即揭帖:探讨DBChart控件的坐标轴实现方法 ++++ 字符串转化的一个小问题 花上N年时间来搞张浙大研究生文凭值得吗? 如何将ADOQuery的数据导到Strings中? 求答案 我的问题真这么难吗? 关于窗体的2个问题
//带密码险证的邮件发送程序需要BASE64编码,DecodeBase64和 EncodeBase64
//为解码和编码函数
//在263、163和SOHU上都能发送成功
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Psock, NMsmtp, ComCtrls;type
TForm1 = class(TForm)
NMSMTP1: TNMSMTP;
Button1: TButton;
Label1: TLabel;
procedure Button1Click(Sender: TObject);
procedure NMSMTP1Connect(Sender: TObject);
procedure NMSMTP1InvalidHost(var Handled: Boolean);
procedure NMSMTP1ConnectionFailed(Sender: TObject);
procedure NMSMTP1Status(Sender: TComponent; Status: String);
procedure NMSMTP1SendStart(Sender: TObject);
procedure NMSMTP1Success(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
//BaseTable为BASE64码表
const BaseTable:string='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';var
Form1: TForm1;
AuthSucc:boolean;// 是否需要密码验证
function DecodeBase64(Source:string):string; //解码函数
function FindInTable(CSource:char):integer; //
function EncodeBase64(Source:string):string; //编码函数
implementation{$R *.DFM}
//
function FindInTable(CSource:char):integer;
begin
result:=Pos(string(CSource),BaseTable)-1;
end;
////
function DecodeBase64(Source:string):string;
var
SrcLen,Times,i:integer;
x1,x2,x3,x4,xt:byte;
begin
result:='';
SrcLen:=Length(Source);
Times:=SrcLen div 4;
for i:=0 to Times-1 do
begin
x1:=FindInTable(Source[1+i*4]);
x2:=FindInTable(Source[2+i*4]);
x3:=FindInTable(Source[3+i*4]);
x4:=FindInTable(Source[4+i*4]);
x1:=x1 shl 2;
xt:=x2 shr 4;
x1:=x1 or xt;
x2:=x2 shl 4;
result:=result+chr(x1);
if x3= 64 then break;
xt:=x3 shr 2;
x2:=x2 or xt;
x3:=x3 shl 6;
result:=result+chr(x2);
if x4=64 then break;
x3:=x3 or x4;
result:=result+chr(x3);
end;
end;
/////
function EncodeBase64(Source:string):string;
var
Times,LenSrc,i:integer;
x1,x2,x3,x4:char;
xt:byte;
begin
result:='';
LenSrc:=length(Source);
if LenSrc mod 3 =0 then Times:=LenSrc div 3
else Times:=LenSrc div 3 + 1;
for i:=0 to times-1 do
begin
if LenSrc >= (3+i*3) then
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
xt:=xt or (ord(Source[2+i*3]) shr 4);
x2:=BaseTable[xt+1];
xt:=(Ord(Source[2+i*3]) shl 2) and 60;
xt:=xt or (ord(Source[3+i*3]) shr 6);
x3:=BaseTable[xt+1];
xt:=(ord(Source[3+i*3]) and 63);
x4:=BaseTable[xt+1];
end
else if LenSrc>=(2+i*3) then
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
xt:=xt or (ord(Source[2+i*3]) shr 4);
x2:=BaseTable[xt+1];
xt:=(ord(Source[2+i*3]) shl 2) and 60;
x3:=BaseTable[xt+1];
x4:='=';
end else
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
x2:=BaseTable[xt+1];
x3:='=';
x4:='=';
end;
result:=result+x1+x2+x3+x4;
end;
end;
//////////
procedure TForm1.Button1Click(Sender: TObject);
var MailTo,MailBody:TStringList;
begin
Nmsmtp1.Host :='smtp.sohu.com';
nmsmtp1.Port :=25;
nmsmtp1.UserID :='linbch';//发信人的用户名,必须是真实的
nmsmtp1.ReportLevel :=1;
Nmsmtp1.TimeOut :=10000;
nmsmtp1.Connect ; ///连接
if AuthSucc=true then ////验证成功
begin
MailTo:=TStringList.Create;
MailTo.Add('[email protected]');
MailBody.Add('Hello it is a test');
nmsmtp1.PostMessage.FromAddress:='[email protected]'; //发信人的电子邮件地址
nmsmtp1.PostMessage.ToAddress :=MailTo;
nmsmtp1.PostMessage.Body:=MailBody;
nmsmtp1.PostMessage.Subject :='My test';
Mailto.Clear ;
//Mailto.Add('c:\a.txt');
//Mailto.Add('c:\b.txt');
//nmsmtp1.PostMessage.Attachments:=MailTo; 附件
MailTo.Free ;
MailBody.Free;
nmsmtp1.SendMail;
end;
end;
procedure TForm1.NMSMTP1Connect(Sender: TObject);
begin
//////连接成功,下面用户认证过程
label1.caption:=nmsmtp1.Status;
if nmsmtp1.ReplyNumber = 250 then
label1.caption:=nmsmtp1.Transaction('auth login'); //开始认证
if nmsmtp1.ReplyNumber =334 then //返回值为334,让你输入用BASE64编码后的用户名
label1.caption:=nmsmtp1.Transaction('YWFhYWE=');// 用户名aaaaa
if nmsmtp1.ReplyNumber =334 then // 返回值为334,让你输入用BASE64编码后的用户密码
label1.caption:=nmsmtp1.Transaction('MTIzNDU2'); //密码为123456
if nmsmtp1.ReplyNumber =235 then
begin
label1.caption:='successful';
AuthSucc:=true;
end;
//showmessage(label1.caption);
end;procedure TForm1.NMSMTP1InvalidHost(var Handled: Boolean);
begin
label1.caption :='Invalid Host';
end;procedure TForm1.NMSMTP1ConnectionFailed(Sender: TObject);
begin
label1.caption :='connect failed';
end;procedure TForm1.NMSMTP1Status(Sender: TComponent; Status: String);
begin
label1.caption :=nmsmtp1.Status ;
end;procedure TForm1.NMSMTP1SendStart(Sender: TObject);
begin
label1.Caption :='start send';
end;procedure TForm1.NMSMTP1Success(Sender: TObject);
begin
label1.Caption:='send success!';
end;end.记得给分呀.........................