(Delphi ActiveX) Download MIME Source of Emails in IMAP Mailbox

Demonstrates how to download the MIME source for emails on an IMAP server. There are several Chilkat IMAP methods for downloading email into a MIME string: FetchSingleAsMime, FetchSequenceAsMime, and FetchBundleAsMime. This example demonstrates FetchSequenceAsMime.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

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
imap: TChilkatImap;
success: Integer;
numToFetch: Integer;
sa: ICkStringArray;
i: Integer;
strMime: WideString;

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

imap := TChilkatImap.Create(Self);

// Connect to an IMAP server.
// Use TLS
imap.Ssl := 1;
imap.Port := 993;
success := imap.Connect('imap.someMailServer.com');
if (success <> 1) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Login
success := imap.Login('myLogin','myPassword');
if (success <> 1) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Select an IMAP mailbox
success := imap.SelectMailbox('Inbox');
if (success <> 1) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// The NumMessages property contains the number of messages in the selected mailbox.
numToFetch := imap.NumMessages;
// Download all the email in the Inbox.

sa := imap.FetchSequenceAsMime(1,numToFetch);
if (imap.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Loop over the MIME strings contained within sa:
i := 0;
while i < sa.Count do
  begin

    strMime := sa.GetString(i);

    // Now you have the MIME source of this email...  

    i := i + 1;
  end;

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