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Xbase++

Count the Attached Messages in an Email

See more Email Object Examples

Demonstrates the read-only Chilkat Email.NumAttachedMessages property, which is the number of embedded emails represented by message/rfc822 MIME parts. These are counted separately from ordinary attachments and related items, and their indexes are zero-based. This example builds an inner email, attaches it to an outer email as a nested message, and prints the count.

Background: When you "forward as attachment," many mail clients embed the original message as a complete nested email rather than quoting its text. In MIME this appears as a message/rfc822 part — an entire email (its own headers and body) tucked inside the carrier message. Chilkat distinguishes three kinds of enclosed content: ordinary attachments (NumAttachments), inline related items (NumRelatedItems), and these nested messages (NumAttachedMessages). Use GetAttachedEmail to pull an embedded message into its own Email object.

Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oInnerEmail
LOCAL oEmail

nSuccess := 0

//  Demonstrates the read-only Email.NumAttachedMessages property, which is the
//  number of embedded emails (message/rfc822 MIME parts) contained in the email.

//  Create an inner email that we'll attach as a complete nested message.
oInnerEmail := CreateObject("Chilkat.Email")
oInnerEmail:Subject := "I am an attached message"
oInnerEmail:Body := "This entire email is nested inside another email."
oInnerEmail:From := "alice@example.com"
oInnerEmail:AddTo("Bob", "bob@example.com")

//  Create the outer email and attach the inner email directly as a
//  message/rfc822 part.  AttachEmail attaches a copy of the inner email.
oEmail := CreateObject("Chilkat.Email")
oEmail:Subject := "Outer email with an attached message"
oEmail:Body := "See the attached email."
nSuccess := oEmail:AttachEmail(oInnerEmail)

? "NumAttachedMessages = " + Str(oEmail:NumAttachedMessages)

oInnerEmail:destroy()
oEmail:destroy()