PowerBuilder

Auto-Generate or Explicitly Specify the Message-ID Email Header

Demonstrates how to auto-generate or explicitly specify the Message-ID header field. PowerBuilder

integer li_rc
long li_Success
oleobject loo_Email
oleobject loo_Mailman
string ls_MimeStr

li_Success = 0

loo_Email = create oleobject
li_rc = loo_Email.ConnectToNewObject("Chilkat.Email")
if li_rc < 0 then
    destroy loo_Email
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_Email.Subject = "test"
loo_Email.Body = "test"
loo_Email.AddTo("Joe","joe@example1.com")
loo_Email.From = "mary@example2.com"

loo_Mailman = create oleobject
li_rc = loo_Mailman.ConnectToNewObject("Chilkat.MailMan")

//  When the mailman sends email, it renders the email to be sent,
//  and then sends the rendered MIME.

//  Instead of actually sending the email, this example will render
//  to MIME so we can see what would be sent..

//  We can explicitly set the Message-ID like this:
loo_Mailman.AutoGenMessageId = 0
loo_Email.AddHeaderField("Message-ID","<xyz123@abc>")

ls_MimeStr = loo_Mailman.RenderToMime(loo_Email)
Write-Debug ls_MimeStr

//  This is what we get:

//  MIME-Version: 1.0
//  Date: Mon, 20 Jul 2020 17:20:09 -0500
//  Message-ID: <xyz123@abc>
//  Content-Type: text/plain; charset=us-ascii; format=flowed
//  Content-Transfer-Encoding: 7bit
//  X-Priority: 3 (Normal)
//  Subject: test
//  To: Joe <joe@example1.com>
//  From: mary@example2.com
//  
//  test

Write-Debug "--------"

//  If we auto-generate...
loo_Mailman.AutoGenMessageId = 1
ls_MimeStr = loo_Mailman.RenderToMime(loo_Email)
Write-Debug ls_MimeStr

//  We get this:

//  MIME-Version: 1.0
//  Date: Mon, 20 Jul 2020 17:21:20 -0500
//  Message-ID: <04EDE096BBFE484967F6398A973B0FCF6EA09A44@CHILKATSLICE>
//  Content-Type: text/plain; charset=us-ascii; format=flowed
//  Content-Transfer-Encoding: 7bit
//  X-Priority: 3 (Normal)
//  Subject: test
//  To: Joe <joe@example1.com>
//  From: mary@example2.com
//  
//  test


destroy loo_Email
destroy loo_Mailman