Delphi ActiveX

IMAP using SOCKS5, SOCKS4 Proxy

Demonstrates how to connect to an IMAP server through a SOCKS5 or SOCKS4 proxy. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
imap: TChilkatImap;
fetchUids: Integer;
messageSet: TMessageSet;
bundle: TChilkatEmailBundle;
headersOnly: Integer;
email: TChilkatEmail;
i: Integer;
numEmails: Integer;

begin
success := 0;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

imap := TChilkatImap.Create(Self);

// To use a SOCKS4 or SOCKS5 proxy, simply set the following
// properties prior to connecting with the IMAP server:
// The SOCKS hostname may be a domain name or 
// IP address:
imap.SocksHostname := 'www.mysocksproxyserver.com';
imap.SocksPort := 1080;
imap.SocksUsername := 'myProxyLogin';
imap.SocksPassword := 'myProxyPassword';
// Set the SOCKS version to 4 or 5 based on the version
// of the SOCKS proxy server:
imap.SocksVersion := 5;
// Note: SOCKS4 servers only support usernames without passwords.
// SOCKS5 servers support full login/password authentication.

// Connect to an IMAP server through the SOCKS proxy.
// Use TLS
imap.Ssl := 1;
imap.Port := 993;
success := imap.Connect('imap.example.com');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Login
success := imap.Login('myLogin','myPassword');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Select an IMAP mailbox
success := imap.SelectMailbox('Inbox');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Get the message IDs of all the emails in the mailbox
// We can choose to fetch UIDs or sequence numbers.
fetchUids := 1;
messageSet := TMessageSet.Create(Self);
success := imap.QueryMbx('ALL',fetchUids,messageSet.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Fetch the emails into a bundle object:
bundle := TChilkatEmailBundle.Create(Self);
headersOnly := 0;
success := imap.FetchMsgSet(headersOnly,messageSet.ControlInterface,bundle.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Loop over the bundle and display the FROM and SUBJECT of each.
email := TChilkatEmail.Create(Self);
i := 0;
numEmails := bundle.MessageCount;
while i < numEmails do
  begin

    bundle.EmailAt(i,email.ControlInterface);

    Memo1.Lines.Add(email.From);
    Memo1.Lines.Add(email.Subject);
    Memo1.Lines.Add('--');
    i := i + 1;
  end;

// Disconnect from the IMAP server.
success := imap.Disconnect();
end;