program MailSend;
{$APPTYPE CONSOLE}
uses
windows,
WinSock;
Function SendMail(Smtp: PChar; Port: dword; From, Dest, Data: PChar): boolean;
var
FSocket: integer;
HostEnt: PHostEnt;
SockAddrIn: TSockAddrIn;
dBuff: PChar;
dSize: dword;
Str: array [0..255] of Char;
function Success(): boolean;
var
Bytes: dword;
RBuff: array [0..255] of Char;
begin
Result := false;
Bytes := recv(FSocket, RBuff, 255, 0);
if (Bytes = 0) or (Bytes = SOCKET_ERROR) then Exit;
RBuff[3] := #0;
if lstrcmp(RBuff, '220') = 0 then Result := true else
if lstrcmp(RBuff, '250') = 0 then Result := true else
if lstrcmp(RBuff, '354') = 0 then Result := true;
end;
begin
Result := false;
FSocket := socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
SockAddrIn.sin_family := AF_INET;
SockAddrIn.sin_port := htons(Port);
SockAddrIn.sin_addr.s_addr := inet_addr(Smtp);
if SockAddrIn.sin_addr.s_addr = INADDR_NONE then
begin
HostEnt := gethostbyname(Smtp);
if HostEnt = nil then
begin
closesocket(FSocket);
Exit;
end;
SockAddrIn.sin_addr.s_addr := PLongint(HostEnt^.h_addr_list^)^;
end;
if Connect(FSocket, SockAddrIn, SizeOf(SockAddrIn)) <> -1 then
begin
if Success then
begin
lstrcpy(Str, PChar('HELO ' + Smtp + #13#10#0));
send(FSocket, Str, lstrlen(Str), 0);
if Success then
begin
lstrcpy(Str, PChar('MAIL FROM: ' + From + #13#10#0));
send(FSocket, Str, lstrlen(Str), 0);
if Success then
begin
lstrcpy(Str, PChar('RCPT TO: ' + Dest + #13#10#0));
send(FSocket, Str, lstrlen(Str), 0);
if Success then
begin
lstrcpy(Str, 'DATA'#13#10#0);
send(FSocket, Str, lstrlen(Str), 0);
if Success then
begin
dSize := lstrlen(Data);
GetMem(dBuff, dSize + 6);
lstrcpy(dBuff, Data);
lstrcat(dBuff, #13#10'.'#13#10#0);
send(FSocket, dBuff^, dSize + 6, 0);
FreeMem(dBuff);
if Success then
begin
lstrcpy(Str, 'QUIT'#13#10#0);
send(FSocket, Str, lstrlen(Str), 0);
Result := true;
end;
end;
end;
end;
end;
end;
end;
closesocket(FSocket);
end;
var
WSAData: TWSAData;
Mail, Data: string;
begin
Write('Send Mail to: ');
ReadLn(Mail);
Write('Enter Mail Text: ');
ReadLn(Data);
WSAStartup(257, WSAData);
if SendMail('smtp.mail.ru', 25,
'
[email protected]',
PChar(Mail), PChar(Data)) then
WriteLn('Mail sended') else WriteLn('Error on sending mail');
ReadLn;
WSACleanup();
end.