PowerBuilder

Rename Email Attachments After Adding

Demonstrates how to rename email attachments after adding but before sending. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Mailman
oleobject loo_Email
string ls_ContentType

li_Success = 0

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

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

loo_Mailman.SmtpHost = "smtp.my-mail-server.com"
loo_Mailman.SmtpUsername = "MY_SMTP_USERNAME"
loo_Mailman.SmtpPassword = "MY_SMTP_PASSWORD"
loo_Mailman.SmtpSsl = 1
loo_Mailman.SmtpPort = 465

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

loo_Email.Subject = "This is a test"
loo_Email.Body = "This is a test"
loo_Email.From = "Chilkat Support <support@chilkatsoft.com>"
li_Success = loo_Email.AddTo("Chilkat Admin","admin@chilkatsoft.com")
// To add more recipients, call AddTo, AddCC, or AddBcc once per recipient.

// Add some attachments.
// The AddFileAttachment method returns the value of the content-type it chose for the attachment.
ls_ContentType = loo_Email.AddFileAttachment("qa_data/jpg/starfish.jpg")
if loo_Email.LastMethodSuccess <> 1 then
    Write-Debug loo_Email.LastErrorText
    destroy loo_Mailman
    destroy loo_Email
    return
end if

ls_ContentType = loo_Email.AddFileAttachment("qa_data/pdf/fishing.pdf")
if loo_Email.LastMethodSuccess <> 1 then
    Write-Debug loo_Email.LastErrorText
    destroy loo_Mailman
    destroy loo_Email
    return
end if

// If we save the email to a .eml, we can examine in a text editor.
li_Success = loo_Email.SaveEml("qa_output/e1.eml")
if li_Success = 0 then
    Write-Debug loo_Email.LastErrorText
    Write-Debug "Failed to save .eml"
    destroy loo_Mailman
    destroy loo_Email
    return
end if

// We see the following in the e1.eml
// Notice that Chilkat replaced the full path with just the filename.
// The full local path is not part of the email that gets sent..

// ...
// --------------020807050607070004010609
// Content-Type: image/jpeg; name="starfish.jpg"
// Content-Transfer-Encoding: base64
// Content-Disposition: attachment; filename="starfish.jpg"
// 
// ...
// --------------020807050607070004010609
// Content-Type: application/pdf; name="fishing.pdf"
// Content-Transfer-Encoding: base64
// Content-Disposition: attachment; filename="fishing.pdf"
// ...

// Before sending, each filename can be changed within the email object.
// For example:
li_Success = loo_Email.SetAttachmentFilename(0,"orange_starfish.jpg")
li_Success = loo_Email.SetAttachmentFilename(1,"tuna_fishing.pdf")

// Look at the new MIME source of the email in a  text editor...
li_Success = loo_Email.SaveEml("qa_output/e2.eml")
if li_Success = 0 then
    Write-Debug loo_Email.LastErrorText
    Write-Debug "Failed to save .eml"
    destroy loo_Mailman
    destroy loo_Email
    return
end if

// You'll see this:

// ...
// --------------020807050607070004010609
// Content-Type: image/jpeg; name="orange_starfish.jpg"
// Content-Transfer-Encoding: base64
// Content-Disposition: attachment; filename="orange_starfish.jpg"
// 
// ...
// --------------020807050607070004010609
// Content-Type: application/pdf; name="tuna_fishing.pdf"
// Content-Transfer-Encoding: base64
// Content-Disposition: attachment; filename="tuna_fishing.pdf"
// ...

// Send the email with the updated filenames..
li_Success = loo_Mailman.SendEmail(loo_Email)
if li_Success <> 1 then
    Write-Debug loo_Mailman.LastErrorText
    destroy loo_Mailman
    destroy loo_Email
    return
end if

li_Success = loo_Mailman.CloseSmtpConnection()
if li_Success <> 1 then
    Write-Debug "Connection to SMTP server not closed cleanly."
end if

Write-Debug "Mail with attachments sent!"


destroy loo_Mailman
destroy loo_Email