PowerBuilder

Send Signed Email using PFX File

Demonstrates how to send a signed email using a digital certificate w/ private key stored in a PFX file. PowerBuilder

integer li_rc
long li_Success
oleobject loo_Mailman
oleobject loo_Email

li_Success = 0

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

//  The mailman object is used for sending and receiving 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 SMTP server.
loo_Mailman.SmtpHost = "smtp.mymailserver.com"

//  Create a new email object
loo_Email = create oleobject
li_rc = loo_Email.ConnectToNewObject("Chilkat.Email")

loo_Email.Subject = "This email is signed"
loo_Email.Body = "This is a digitally signed mail"
loo_Email.From = "Chilkat Admin <admin@chilkatsoft.com>"
li_Success = loo_Email.AddTo("Chilkat Support","support@chilkatsoft.com")

//  Indicate that the email should be sent signed.
loo_Email.SendSigned = 1

//  Tell the mailman to use a PFX file as a source for locating
//  the certificate and private key required for signing.
//  The certificate chosen for signing will be the one that
//  matches the sender's email address, which also has
//  a private key.  All intermediate certs in the chain of 
//  authentication, up to and including the root, will
//  be included in the signature.
li_Success = loo_Mailman.AddPfxSourceFile("/pfx_files/chilkatsoft_secret.pfx","secret")
if li_Success <> 1 then
    Write-Debug loo_Mailman.LastErrorText
    destroy loo_Mailman
    destroy loo_Email
    return
end if

//  Signed email can be sent in two different ways.  
//  In a multipart/signed email, the signature is attached as a separate MIME part.
//  In an opaque email (signedData) the content of the email is encapsulated within the signature
//  and the email is sent as "application/pkcs7-mime". 
//  Either should be fine, but some receiving systems might require one or the other..
loo_Mailman.OpaqueSigning = 0

//  Send a signed email.
li_Success = loo_Mailman.SendEmail(loo_Email)
if li_Success <> 1 then
    Write-Debug loo_Mailman.LastErrorText
else
    //  The LastErrorText property provides information
    //  even when successful.
    Write-Debug loo_Mailman.LastErrorText
    Write-Debug "Mail Sent!"
end if



destroy loo_Mailman
destroy loo_Email