(Tcl) Download MIME Source of Emails in IMAP Mailbox

Demonstrates how to download the MIME source for emails on an IMAP server.

Note: This example requires Chilkat v11.0.0 or greater.

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load ./chilkat.dll

set success 0

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

set imap [new_CkImap]

# Connect to an IMAP server.
# Use TLS
CkImap_put_Ssl $imap 1
CkImap_put_Port $imap 993
set success [CkImap_Connect $imap "imap.example.com"]
if {$success == 0} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Login
set success [CkImap_Login $imap "myLogin" "myPassword"]
if {$success == 0} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Select an IMAP mailbox
set success [CkImap_SelectMailbox $imap "Inbox"]
if {$success == 0} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# The NumMessages property contains the number of messages in the selected mailbox.
set numMessages [CkImap_get_NumMessages $imap]
if {$numMessages == 0} then {
    puts "No messages exist in the Inbox."
    delete_CkImap $imap
    exit
}

set sbMime [new_CkStringBuilder]

for {set seqNum 1} {$seqNum <= $numMessages} {incr seqNum} {
    CkStringBuilder_Clear $sbMime
    set success [CkImap_FetchSingleAsMimeSb $imap $seqNum 0 $sbMime]
    if {$success == 0} then {
        puts [CkImap_lastErrorText $imap]
        delete_CkImap $imap
        delete_CkStringBuilder $sbMime
        exit
    }

    # The MIME source of the downloaded email is contained in sbMime.
}

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

delete_CkImap $imap
delete_CkStringBuilder $sbMime