type
TForm1 = class(TForm)
NMSMTP1: TNMSMTP;
Button1: TButton;
procedure Button1Click(Sender: TObject);
procedure NMSMTP1Connect(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
const BaseTable:string='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
var
Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
begin
//在此之前要初始化对应的NMSMTP1得相关内容
NMSMTP1.PostMessage.Date:=DateTimeToStr(Now);
NMSMTP1.Connect;
NMSMTP1.SendMail;
NMSMTP1.Disconnect;
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.NMSMTP1Connect(Sender: TObject);
begin
if nmsmtp1.ReplyNumber = 250 then
nmsmtp1.Transaction('auth login');
if nmsmtp1.ReplyNumber =334 then
nmsmtp1.Transaction(EncodeBase64(YourUserName));
if nmsmtp1.ReplyNumber =334 then
nmsmtp1.Transaction(EncodeBase64(YourPassWord));