(Tcl) Process Large POP3 Mailbox

Demonstrates how to read email from a mailbox that may contain a large number of emails.

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

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load ./chilkat.dll

set success 0

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

set mailman [new_CkMailMan]

CkMailMan_put_MailHost $mailman "pop.example.com"

CkMailMan_put_PopUsername $mailman "myLogin"
CkMailMan_put_PopPassword $mailman "myPassword"

CkMailMan_put_MailPort $mailman 995
CkMailMan_put_PopSsl $mailman 1

# Get the list of UIDLs for all emails in the mailbox.
set stUidls [new_CkStringTable]

set success [CkMailMan_FetchUidls $mailman $stUidls]
if {$success == 0} then {
    puts [CkMailMan_lastErrorText $mailman]
    delete_CkMailMan $mailman
    delete_CkStringTable $stUidls
    exit
}

# Download each email by UIDL.
set email [new_CkEmail]

set count [CkStringTable_get_Count $stUidls]
set i 0
while {$i < $count} {
    # Download the full email.
    set uidl [CkStringTable_stringAt $stUidls $i]
    set success [CkMailMan_FetchByUidl $mailman $uidl 0 0 $email]
    if {$success == 0} then {
        puts [CkMailMan_lastErrorText $mailman]
        delete_CkMailMan $mailman
        delete_CkStringTable $stUidls
        delete_CkEmail $email
        exit
    }

    puts "$i"
    puts "UIDL: $uidl"
    puts "From: [CkEmail_from $email]"
    puts "Subject: [CkEmail_subject $email]"

    set i [expr $i + 1]
}

CkMailMan_Pop3EndSession $mailman

delete_CkMailMan $mailman
delete_CkStringTable $stUidls
delete_CkEmail $email