(Tcl) 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.

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load ./chilkat.dll

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

set imap [new_CkImap]

# Use TLS
CkImap_put_Ssl $imap 1
CkImap_put_Port $imap 993
set success [CkImap_Connect $imap "MY-IMAP-DOMAIN"]
if {$success != 1} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Authenticate
set success [CkImap_Login $imap "MY-IMAP-LOGIN" "MY-IMAP-PASSWORD"]
if {$success != 1} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Get the list of capabilities:
set caps [CkImap_capability $imap]
puts "Capabilities: $caps"

# 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 {[CkImap_HasCapability $imap "QUOTA" $caps] == 1} then {
    puts "IMAP server supports the QUOTA extension."
}

if {[CkImap_HasCapability $imap "IDLE" $caps] == 1} then {
    puts "IMAP server supports IDLE."
}

# Disconnect from the IMAP server.
set success [CkImap_Disconnect $imap]

delete_CkImap $imap