PureBasic

IMAP Download All Email One at a Time

Demonstrates how to download every email in an IMAP mailbox one at a time as a MIME string or as an email object. (The MIME contains the full contents of the email including all attachments.) PureBasic

IncludeFile "CkEmail.pb"
IncludeFile "CkImap.pb"

Procedure ChilkatExample()

    success.i = 0

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

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

    ; Connect to an IMAP server.
    ; Use TLS
    CkImap::setCkSsl(imap, 1)
    CkImap::setCkPort(imap, 993)
    success = CkImap::ckConnect(imap,"imap.example.com")
    If success = 0
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    ; Login
    success = CkImap::ckLogin(imap,"myLogin","myPassword")
    If success = 0
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    ; Select an IMAP mailbox
    success = CkImap::ckSelectMailbox(imap,"Inbox")
    If success = 0
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    ; Once the mailbox is selected, the NumMessages property
    ; will contain the number of messages in the mailbox.
    ; You may loop from 1 to NumMessages to
    ; fetch each message by sequence number.

    bUid.i = 0
    mimeStr.s
    i.i
    n.i = CkImap::ckNumMessages(imap)
    For i = 1 To n

        ; Download the email by sequence number.
        mimeStr = CkImap::ckFetchSingleAsMime(imap,i,bUid)

        ; ... your application may process each MIME string...
    Next

    ; An alternative is to download each email in the form of an
    ; email object, like this:
    email.i = CkEmail::ckCreate()
    If email.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    For i = 1 To n

        ; Download the email by sequence number.
        success = CkImap::ckFetchEmail(imap,0,i,bUid,email)

        ; ... your application may process the email object...

    Next

    ; Disconnect from the IMAP server.
    success = CkImap::ckDisconnect(imap)


    CkImap::ckDispose(imap)
    CkEmail::ckDispose(email)


    ProcedureReturn
EndProcedure