Search/Download only Encrypted Emails

Download Chilkat Email ActiveX

Searching an IMAP mailbox for emails that are encrypted and download. Emails are automatically decrypted.

Download 32-bit Chilkat IMAP ActiveX (.msi)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    CHILKATMAILLib2_TLB,
    CHILKATIMAPLib_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
imap: TChilkatImap;
success: Integer;
headerSearch: String;
messageSet: CHILKATIMAPLib_TLB.IMessageSet;
fetchUids: Integer;
bundle: CHILKATIMAPLib_TLB.IChilkatEmailBundle2;
i: Integer;
email: CHILKATMAILLib2_TLB.IChilkatEmail2;

begin
imap := TChilkatImap.Create(Self);

//  Anything unlocks the component and begins a fully-functional 30-day trial.
success := imap.UnlockComponent('Anything for 30-day trial');
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);
    Exit;
  end;

//  Connect to an IMAP server.
success := imap.Connect('www.cknotes.com');
if (success <> 1) then
  begin
    ShowMessage(imap.LastErrorText);
    Exit;
  end;

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

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

//  An S/MIME encrypted email should have a content-type
//  header containing the substring "pkcs7-mime":
headerSearch := 'HEADER Content-Type pkcs7-mime';

fetchUids := 1;
messageSet := imap.Search(headerSearch,fetchUids);
if (messageSet = nil ) then
  begin
    ShowMessage(imap.LastErrorText);
    Exit;
  end;

//  Download the emails indicated in the messageSet.
//  The emails are automatically decrypted.

bundle := imap.FetchBundle(messageSet);
if (bundle = nil ) then
  begin

    ShowMessage(imap.LastErrorText);
    Exit;
  end;

//  Display some information from each email:

for i := 0 to bundle.MessageCount - 1 do
  begin

    email := bundle.GetEmail(i) As CHILKATMAILLib2_TLB.IChilkatEmail2;

    Memo1.Lines.Add(email.GetHeaderField('Date'));
    Memo1.Lines.Add(email.Subject);
    Memo1.Lines.Add(email.From);

    Memo1.Lines.Add('Received Encrypted: ' + IntToStr(email.ReceivedEncrypted));
    if (email.ReceivedEncrypted = 1) then
      begin
        Memo1.Lines.Add('Successfully Decrypted: '
             + IntToStr(email.Decrypted));
      end;

    Memo1.Lines.Add('Received Signed: ' + IntToStr(email.ReceivedSigned));
    if (email.ReceivedSigned = 1) then
      begin
        Memo1.Lines.Add('Signature Verified: '
             + IntToStr(email.SignaturesValid));
      end;

    Memo1.Lines.Add('--');

  end;

//  Disconnect from the IMAP server.
imap.Disconnect();


end;