Delphi DLL

Connect to an IMAP Server

Demonstrates the Chilkat Imap.Connect method, which establishes a TCP connection to the IMAP server but does not authenticate. The argument may be a hostname, IPv4, or IPv6 address; configure Ssl and Port first. This example connects with implicit TLS, then logs in and disconnects.

Background: IMAP (Internet Message Access Protocol) is the protocol for accessing mail that stays on the server — unlike POP3, which typically downloads and removes it. That server-side model is what lets multiple devices see the same mailboxes, folders, and read/unread state. A session starts by connecting (usually implicit TLS on port 993), then authenticating — Connect performs only the first step, so it is always followed by Login.

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var
success: Boolean;
imap: HCkImap;

begin
success := False;

//  Demonstrates the Imap.Connect method, which establishes a TCP connection to the IMAP
//  server but does not authenticate.  Call Login after connecting to authenticate.

imap := CkImap_Create();

//  Use implicit TLS on the standard IMAPS port.
CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);

//  Establish the connection to the IMAP server (no authentication yet).
success := CkImap_Connect(imap,'imap.example.com');
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;
Memo1.Lines.Add('Connected to the IMAP server.');

//  Authenticate the session.
success := CkImap_Login(imap,'user@example.com','myPassword');
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

//  Disconnect when finished.
success := CkImap_Disconnect(imap);
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

CkImap_Dispose(imap);