(Perl) IMAP Capability

Demonstrates how to send the CAPABILITY command to request a listing of capabilities that the IMAP server supports. A capability name which begins with "AUTH=" indicates that the server supports that particular authentication mechanism.

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

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

$imap = chilkat::CkImap->new();

# Use TLS
$imap->put_Ssl(1);
$imap->put_Port(993);
$success = $imap->Connect("MY-IMAP-DOMAIN");
if ($success != 1) {
    print $imap->lastErrorText() . "\r\n";
    exit;
}

# Authenticate
$success = $imap->Login("MY-IMAP-LOGIN","MY-IMAP-PASSWORD");
if ($success != 1) {
    print $imap->lastErrorText() . "\r\n";
    exit;
}

# Get the list of capabilities:
$caps = $imap->capability();
print "Capabilities: " . $caps . "\r\n";

# Here is an example of the string returned:
# * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN X-GM-EXT-1 
# UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT APPENDLIMIT=35882577
# LIST-EXTENDED LIST-STATUS

# Chilkat v9.5.0.58 introduces the HasCapability method to
# check to see if a particular capability exists:
if ($imap->HasCapability("QUOTA",$caps) == 1) {
    print "IMAP server supports the QUOTA extension." . "\r\n";
}

if ($imap->HasCapability("IDLE",$caps) == 1) {
    print "IMAP server supports IDLE." . "\r\n";
}

# Disconnect from the IMAP server.
$success = $imap->Disconnect();