(VBScript) Rename Email Attachments After Adding

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

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

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.MailMan")
set mailman = CreateObject("Chilkat.MailMan")

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

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Email")
set email = CreateObject("Chilkat.Email")

email.Subject = "This is a test"
email.Body = "This is a test"
email.From = "Chilkat Support <support@chilkatsoft.com>"
success = 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.
contentType = email.AddFileAttachment("qa_data/jpg/starfish.jpg")
If (email.LastMethodSuccess <> 1) Then
    outFile.WriteLine(email.LastErrorText)
    WScript.Quit
End If

contentType = email.AddFileAttachment("qa_data/pdf/fishing.pdf")
If (email.LastMethodSuccess <> 1) Then
    outFile.WriteLine(email.LastErrorText)
    WScript.Quit
End If

' If we save the email to a .eml, we can examine in a text editor.
success = email.SaveEml("qa_output/e1.eml")
If (success = 0) Then
    outFile.WriteLine(email.LastErrorText)
    outFile.WriteLine("Failed to save .eml")
    WScript.Quit
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:
success = email.SetAttachmentFilename(0,"orange_starfish.jpg")
success = email.SetAttachmentFilename(1,"tuna_fishing.pdf")

' Look at the new MIME source of the email in a  text editor...
success = email.SaveEml("qa_output/e2.eml")
If (success = 0) Then
    outFile.WriteLine(email.LastErrorText)
    outFile.WriteLine("Failed to save .eml")
    WScript.Quit
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..
success = mailman.SendEmail(email)
If (success <> 1) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

success = mailman.CloseSmtpConnection()
If (success <> 1) Then
    outFile.WriteLine("Connection to SMTP server not closed cleanly.")
End If

outFile.WriteLine("Mail with attachments sent!")

outFile.Close