IMAP SSH Tunneling (Port Forwarding)

Demonstrates how to setup an SSH tunnel for IMAP.

Download 32-bit Chilkat IMAP ActiveX (.msi)

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

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

<?php

$imap = new COM("Chilkat.Imap");

//  Anything unlocks the component and begins a fully-functional 30-day trial.
$success = $imap->UnlockComponent('Anything for 30-day trial');
if ($success != true) {
    print $imap->lastErrorText() . "\n";
    exit;
}

//  Connect to an SSH server and establish the SSH tunnel:

//  The SSH hostname may be a hostname or an
//  IP address, such as "192.168.1.108".
//  The port is typically 22 (the standard port for SSH).
$sshHostname = 'www.mysshserver.com';
$sshPort = 22;
$success = $imap->SshTunnel($sshHostname,$sshPort);
if ($success != true) {
    print $imap->lastErrorText() . "\n";
    exit;
}

//  Authenticate with the SSH server via a login/password
//  or with a public key.
//  This example demonstrates SSH password authentication.
//  Note: This is not authenticating with the IMAP server, it is
//  for authenticating with the SSH server, which is separate.
$success = $imap->SshAuthenticatePw('mySshLogin','mySshPassword');
if ($success != true) {
    print $imap->lastErrorText() . "\n";
    exit;
}

//  OK, the SSH tunnel is setup.  The IMAP component may
//  be used exactly the same as usual, except all communications
//  are sent through the SSH tunnel.

//  Connect to an IMAP server via the SSH tunnel.
//  Because the SSH tunnel has been previously setup,
//  this does not establish a direct connection with the IMAP
//  server.  It directs the SSH server to establish the connection.
$success = $imap->Connect('mail.chilkatsoft.com');
if ($success != true) {
    print $imap->lastErrorText() . "\n";
    exit;
}

//  Authenticate with the IMAP server via the SSH tunnel.
$success = $imap->Login('myLogin','myPassword');
if ($success != true) {
    print $imap->lastErrorText() . "\n";
    exit;
}

//  Select an IMAP mailbox
$success = $imap->SelectMailbox('Inbox');
if ($success != true) {
    print $imap->lastErrorText() . "\n";
    exit;
}

//  We can choose to fetch UIDs or sequence numbers.
$fetchUids = true;
//  Get the message IDs of all the emails in the mailbox
// messageSet is a Chilkat.MessageSet
$messageSet = $imap->Search('ALL',$fetchUids);
if (is_null($messageSet)) {
    print $imap->lastErrorText() . "\n";
    exit;
}

//  Fetch the emails into a bundle object:

// bundle is a Chilkat.EmailBundle2
$bundle = $imap->FetchBundle($messageSet);
if (is_null($bundle)) {

    print $imap->lastErrorText() . "\n";
    exit;
}

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

for ($i = 0; $i <= $bundle->MessageCount - 1; $i++) {

    // email is a Chilkat.Email2
    $email = $bundle->GetEmail($i);
    print $email->from() . "\n";
    print $email->subject() . "\n";
    print '--' . "\n";

}

//  Disconnect from the IMAP server.
$imap->Disconnect();


?>