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(Visual FoxPro) Copy Email from one IMAP Account to Another

Demonstrates how to copy the email in a mailbox from one account to another.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loImapSrc
LOCAL lnSuccess
LOCAL loImapDest
LOCAL lnFetchUids
LOCAL loMset
LOCAL loFac
LOCAL loMsetAlreadyCopied
LOCAL lcStrMsgSet
LOCAL lnNumUids
LOCAL loSbFlags
LOCAL i
LOCAL lnUid
LOCAL lcFlags
LOCAL lcMimeStr
LOCAL lnSeen
LOCAL lnFlagged
LOCAL lnAnswered
LOCAL lnDraft

loImapSrc = CreateObject('Chilkat_9_5_0.Imap')

*  This example assumes Chilkat Imap to have been previously unlocked.
*  See Unlock Imap for sample code.

*  Connect to our source IMAP server.
loImapSrc.Ssl = 1
loImapSrc.Port = 993
lnSuccess = loImapSrc.Connect("MY-IMAP-DOMAIN")
IF (lnSuccess <> 1) THEN
    ? loImapSrc.LastErrorText
    RELEASE loImapSrc
    CANCEL
ENDIF

*  Login to the source IMAP server
lnSuccess = loImapSrc.Login("MY-IMAP-LOGIN","MY-IMAP-PASSWORD")
IF (lnSuccess <> 1) THEN
    ? loImapSrc.LastErrorText
    RELEASE loImapSrc
    CANCEL
ENDIF

loImapDest = CreateObject('Chilkat_9_5_0.Imap')

*  Connect to our destination IMAP server.
loImapDest.Ssl = 1
loImapDest.Port = 993
lnSuccess = loImapDest.Connect("MY-IMAP-DOMAIN2")
IF (lnSuccess <> 1) THEN
    ? loImapDest.LastErrorText
    RELEASE loImapSrc
    RELEASE loImapDest
    CANCEL
ENDIF

*  Login to the destination IMAP server
lnSuccess = loImapDest.Login("MY-IMAP-LOGIN2","MY-IMAP-PASSWORD2")
IF (lnSuccess <> 1) THEN
    ? loImapDest.LastErrorText
    RELEASE loImapSrc
    RELEASE loImapDest
    CANCEL
ENDIF

*  Select a source IMAP mailbox on the source IMAP server
lnSuccess = loImapSrc.SelectMailbox("Inbox")
IF (lnSuccess <> 1) THEN
    ? loImapSrc.LastErrorText
    RELEASE loImapSrc
    RELEASE loImapDest
    CANCEL
ENDIF

lnFetchUids = 1

*  Get the set of UIDs for all emails on the source server.
loMset = loImapSrc.Search("ALL",lnFetchUids)
IF (loImapSrc.LastMethodSuccess <> 1) THEN
    ? loImapSrc.LastErrorText
    RELEASE loImapSrc
    RELEASE loImapDest
    CANCEL
ENDIF

*  Load the complete set of UIDs that were previously copied.
*  We dont' want to copy any of these to the destination.
loFac = CreateObject('Chilkat_9_5_0.FileAccess')
loMsetAlreadyCopied = CreateObject('Chilkat_9_5_0.MessageSet')
lcStrMsgSet = loFac.ReadEntireTextFile("qa_cache/saAlreadyLoaded.txt","utf-8")
IF (loFac.LastMethodSuccess = 1) THEN
    loMsetAlreadyCopied.FromCompactString(lcStrMsgSet)
ENDIF

lnNumUids = loMset.Count
loSbFlags = CreateObject('Chilkat_9_5_0.StringBuilder')

i = 0
DO WHILE i < lnNumUids

    *  If this UID was not already copied...
    lnUid = loMset.GetId(i)
    IF (NOT loMsetAlreadyCopied.ContainsId(lnUid)) THEN

        ? "copying " + STR(lnUid) + "..."

        *  Get the flags.
        lcFlags = loImapSrc.FetchFlags(lnUid,1)
        IF (loImapSrc.LastMethodSuccess = 0) THEN
            ? loImapSrc.LastErrorText
            RELEASE loImapSrc
            RELEASE loImapDest
            RELEASE loFac
            RELEASE loMsetAlreadyCopied
            RELEASE loSbFlags
            CANCEL
        ENDIF

        loSbFlags.SetString(lcFlags)

        *  Get the MIME of this email from the source.
        lcMimeStr = loImapSrc.FetchSingleAsMime(lnUid,1)
        IF (loImapSrc.LastMethodSuccess = 0) THEN
            ? loImapSrc.LastErrorText
            RELEASE loImapSrc
            RELEASE loImapDest
            RELEASE loFac
            RELEASE loMsetAlreadyCopied
            RELEASE loSbFlags
            CANCEL
        ENDIF

        lnSeen = loSbFlags.Contains("\\Seen",0)
        lnFlagged = loSbFlags.Contains("\\Flagged",0)
        lnAnswered = loSbFlags.Contains("\\Answered",0)
        lnDraft = loSbFlags.Contains("\\Draft",0)

        lnSuccess = loImapDest.AppendMimeWithFlags("Inbox",lcMimeStr,lnSeen,lnFlagged,lnAnswered,lnDraft)
        IF (lnSuccess <> 1) THEN
            ? loImapDest.LastErrorText
            RELEASE loImapSrc
            RELEASE loImapDest
            RELEASE loFac
            RELEASE loMsetAlreadyCopied
            RELEASE loSbFlags
            CANCEL
        ENDIF

        *  Update msetAlreadyCopied with the uid just copied.
        loMsetAlreadyCopied.InsertId(lnUid)

        *  Save at every iteration just in case there's a failure..
        lcStrMsgSet = loMsetAlreadyCopied.ToCompactString()
        loFac.WriteEntireTextFile("qa_cache/saAlreadyLoaded.txt",lcStrMsgSet,"utf-8",0)
    ENDIF

    i = i + 1
ENDDO
RELEASE loMset

*  Disconnect from the IMAP servers.
lnSuccess = loImapSrc.Disconnect()
lnSuccess = loImapDest.Disconnect()

RELEASE loImapSrc
RELEASE loImapDest
RELEASE loFac
RELEASE loMsetAlreadyCopied
RELEASE loSbFlags


 

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