Using Client Certificate w/ IMAP SSL

Demonstrates how to use a client-side certificate with an IMAP SSL connection. The SetSslClientCert method is called to specify a certificate to be used for the SSL connection.

Download Chilkat IMAP ActiveX

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
imap: TChilkatImap;
success: Integer;
certStore: CHILKATCERTIFICATELib_TLB.IChilkatCertStore;
cert: CHILKATIMAPLib_TLB.IChilkatCert;
cert2: TChilkatCert;
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;

//  To use a secure SSL connection, set SSL and the port:
imap.Ssl := 1;
//  The typical port for IMAP SSL is 993
imap.Port := 993;

//  Load a certificate from a PFX file and use it.
//  Note: Other methods are available to load pre-installed
//  certificates from registry-based certificate stores.

//  Create an instance of a certificate store object, load a PFX file,
//  locate the certificate we need, and use it for signing.
//  (a PFX file may contain more than one certificate.)
certStore := CoChilkatCertStore.Create();
//  The 1st argument is the filename, the 2nd arg is the
//  PFX file's password:
success := certStore.LoadPfxFile('myCertWithPrivateKey.pfx','secret');
if (success <> 1) then
  begin
    ShowMessage(certStore.LastErrorText);
    Exit;
  end;

//  Find the certificate by the subject common name:

cert := certStore.FindCertBySubjectCN('Chilkat Software, Inc.') As CHILKATIMAPLib_TLB.IChilkatCert;
if (cert = nil ) then
  begin
    ShowMessage(certStore.LastErrorText);
    Exit;
  end;

//  If a PFX file is known to contain a single certificate,
//  you may load it directly into a Chilkat certificate object.
//  This snippet of source code shows how:
cert2 := TChilkatCert.Create(Self);
//  The 1st argument is the filename, the 2nd arg is the
//  PFX file's password:
success := cert2.LoadPfxFile('tagtooga_secret.pfx','secret');
if (success <> 1) then
  begin
    ShowMessage(cert.LastErrorText);
    Exit;
  end;

//  Use the cert:
imap.SetSslClientCert(cert As CHILKATIMAPLib_TLB.IChilkatCert);

//  Connect to an IMAP server.
success := imap.Connect('mail.chilkatsoft.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;

//  We can choose to fetch UIDs or sequence numbers.
fetchUids := 1;
//  Get the message IDs of all the emails in the mailbox
messageSet := imap.Search('ALL',fetchUids);
if (messageSet = nil ) then
  begin
    ShowMessage(imap.LastErrorText);
    Exit;
  end;

//  Fetch the emails into a bundle object:

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

    ShowMessage(imap.LastErrorText);
    Exit;
  end;

//  Loop over the bundle and display the FROM and SUBJECT of each.

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

    email := bundle.GetEmail(i) As CHILKATMAILLib2_TLB.IChilkatEmail2;
    Memo1.Lines.Add(email.From);
    Memo1.Lines.Add(email.Subject);
    Memo1.Lines.Add('--');

  end;

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


end;