(Tcl) Upload (Append) Email to an IMAP Mailbox and get the UID of the Appended Email

Upload / append an email to an IMAP mailbox and get the UID of the appended email.

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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]

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

# Login
set success [CkImap_Login $imap "myLogin" "myPassword"]
if {$success != 1} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Check the capabilities of the IMAP server.
set cap [CkImap_capability $imap]
puts "IMAP capabilities: $cap"

# If the capabilities string contains the substring "UIDPLUS", then 
# the UID of the appended email will be available in the AppendUid property (see below).

# For example, the GMail IMAP server has these capabilities (at this current time)
# * 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

set email [new_CkEmail]

# Load the email from a .eml file.
set success [CkEmail_LoadEml $email "myEmail.eml"]
if {$success != 1} then {
    puts [CkEmail_lastErrorText $email]
    delete_CkImap $imap
    delete_CkEmail $email
    exit
}

set success [CkImap_AppendMail $imap "Inbox" $email]
if {$success != 1} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    delete_CkEmail $email
    exit
}

# If the IMAP server supports the UIDPLUS extension, then the 
# imap.AppendUid will contain the UID of the appended email.
# Otherwise AppendUid will be 0.
puts "UID of appended email: [CkImap_get_AppendUid $imap]"

# If the IMAP server does NOT have UIDPLUS, then a program can 
# first select the mailbox, get the value of the UidNext property,
# and then append.  The appended email SHOULD have a UID equal to 
# the UidNext that was obtained just prior to appending (assuming no other
# program is simultaneously appending an email to the same mailbox).

# Note: It is not required to select a mailbox to append.  The select is only
# done for the purpose of obtaining the UIDNEXT value.
set success [CkImap_SelectMailbox $imap "Inbox"]
if {$success != 1} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    delete_CkEmail $email
    exit
}

set uidNext [CkImap_get_UidNext $imap]

set success [CkImap_AppendMail $imap "Inbox" $email]
if {$success != 1} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    delete_CkEmail $email
    exit
}

puts "The UID of the appended email SHOULD be $uidNext"

puts "Email uploaded to Inbox!"

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

delete_CkImap $imap
delete_CkEmail $email