PureBasic

Render an Email to MIME Bytes in a BinData

Demonstrates the Chilkat MailMan.RenderToMimeBd method, which renders an Email object as MIME bytes and appends the result to a BinData, without sending the email. This example renders a message into a BinData and prints the byte count.

Background: This is the binary version of RenderToMime. A BinData holds raw bytes, which is the right container when you want the rendered MIME as binary — to write it directly to a file or socket, hash it, or hand it to another API expecting a byte buffer — rather than as text.

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IncludeFile "CkBinData.pb"
IncludeFile "CkEmail.pb"
IncludeFile "CkMailMan.pb"

Procedure ChilkatExample()

    success.i = 0

    ;  Demonstrates the MailMan.RenderToMimeBd method, which renders an Email object as MIME
    ;  bytes and appends the result to a BinData (without sending the email).

    mailman.i = CkMailMan::ckCreate()
    If mailman.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ;  Build the email to render.
    email.i = CkEmail::ckCreate()
    If email.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkEmail::setCkSubject(email, "Rendered email")
    CkEmail::setCkFrom(email, "alice@example.com")
    CkEmail::ckAddTo(email,"Bob","bob@example.com")
    CkEmail::setCkBody(email, "This message is rendered to MIME bytes in a BinData.")

    ;  Render the MIME into a BinData.
    bdMime.i = CkBinData::ckCreate()
    If bdMime.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkMailMan::ckRenderToMimeBd(mailman,email,bdMime)
    If success = 0
        Debug CkMailMan::ckLastErrorText(mailman)
        CkMailMan::ckDispose(mailman)
        CkEmail::ckDispose(email)
        CkBinData::ckDispose(bdMime)
        ProcedureReturn
    EndIf

    Debug "Rendered MIME size (bytes) = " + Str(CkBinData::ckNumBytes(bdMime))


    CkMailMan::ckDispose(mailman)
    CkEmail::ckDispose(email)
    CkBinData::ckDispose(bdMime)


    ProcedureReturn
EndProcedure