PowerBuilder

Delete Individual Emails from POP3 Mailbox

Demonstrates how to delete individual emails from a POP3 mailbox. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Mailman
oleobject loo_Bundle
integer li_KeepOnServer
integer li_HeadersOnly
integer li_NumBodyLines
oleobject loo_Email
integer i

li_Success = 0

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

// The mailman object is used for receiving (POP3) 
// and sending (SMTP) email.
loo_Mailman = create oleobject
li_rc = loo_Mailman.ConnectToNewObject("Chilkat.MailMan")
if li_rc < 0 then
    destroy loo_Mailman
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Set the POP3 server's hostname
loo_Mailman.MailHost = "pop.example.com"

// Set the POP3 login/password.
loo_Mailman.PopUsername = "myLogin"
loo_Mailman.PopPassword = "myPassword"

// Set the ImmediateDelete property = 0
// When the DeleteEmail method is called, the POP3 session
// will remain open and the emails will be deleted all at once
// when the session closes.
loo_Mailman.ImmediateDelete = 0

// Download email headers.  
loo_Bundle = create oleobject
li_rc = loo_Bundle.ConnectToNewObject("Chilkat.EmailBundle")

li_KeepOnServer = 1
li_HeadersOnly = 1
li_NumBodyLines = 1
li_Success = loo_Mailman.FetchAll(li_KeepOnServer,li_HeadersOnly,li_NumBodyLines,loo_Bundle)
if li_Success = 0 then
    Write-Debug loo_Mailman.LastErrorText
    destroy loo_Mailman
    destroy loo_Bundle
    return
end if

loo_Email = create oleobject
li_rc = loo_Email.ConnectToNewObject("Chilkat.Email")

i = 0
do while i < loo_Bundle.MessageCount
    loo_Bundle.EmailAt(i,loo_Email)

    Write-Debug "From: " + loo_Email.From
    Write-Debug "Subject: " + loo_Email.Subject

    // If you decide the email is to be deleted, call DeleteEmail.
    // This marks the email for deletion on the POP3 server.
    li_Success = loo_Mailman.DeleteEmail(loo_Email)
    if li_Success = 0 then
        Write-Debug loo_Mailman.LastErrorText
        destroy loo_Mailman
        destroy loo_Bundle
        destroy loo_Email
        return
    end if

    i = i + 1
loop

// Make sure the POP3 session is ended to finalize the deletes.
li_Success = loo_Mailman.Pop3EndSession()
if li_Success = 0 then
    Write-Debug loo_Mailman.LastErrorText
    destroy loo_Mailman
    destroy loo_Bundle
    destroy loo_Email
    return
end if

Write-Debug "Success!"


destroy loo_Mailman
destroy loo_Bundle
destroy loo_Email