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(PureBasic) Examine Junk/NonJunk Flags on Outlook.com and GMail

Examines the Junk and NonJunk FLAGS for IMAP on Outlook.com and GMail.com.

Chilkat PureBasic Module Download

Chilkat PureBasic Module

IncludeFile "CkImap.pb"

Procedure ChilkatExample()

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

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

    ; Connect to the outlook.com IMAP server.
    ; We'll do the same for GMail below..
    ; Use TLS
    CkImap::setCkSsl(imap, 1)
    CkImap::setCkPort(imap, 993)
    success.i = CkImap::ckConnect(imap,"imap-mail.outlook.com")
    If success <> 1
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    ; Login
    success = CkImap::ckLogin(imap,"myAccount@outlook.com","OUTLOOK_PASSWORD")
    If success <> 1
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    ; Begin keeping a log of the session here.
    CkImap::setCkKeepSessionLog(imap, 1)

    ; Select an IMAP mailbox
    success = CkImap::ckSelectMailbox(imap,"Inbox")
    If success <> 1
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    ; The LastResponse property contains the full response of the last command.
    ; The response to the SELECT mailbox command shows the FLAGS that can be set
    ; for emails in the mailbox.
    selectResponse.s = CkImap::ckLastResponse(imap)
    Debug selectResponse

    ; The response to "SELECT Inbox" looks like this:
    ; There are no FLAGS for Junk/NonJunk..

    ; * 4 EXISTS
    ; * 0 RECENT
    ; * FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
    ; * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
    ; * OK [UIDVALIDITY 14] UIDVALIDITY value
    ; * OK [UIDNEXT 1719] The next unique identifier value
    ; aaac OK [READ-WRITE] SELECT completed.

    ; Fetch the flags for each message in the mailbox.
    ; Prior to running this example, (using Mozilla Thunderbird) I marked one of the emails
    ; in my outlook.com Inbox as Junk.  
    sequenceNum.i = 1
    While sequenceNum <= CkImap::ckNumMessages(imap)
        flags.s = CkImap::ckFetchFlags(imap,sequenceNum,0)
        Debug Str(sequenceNum) + ": " + flags
        sequenceNum = sequenceNum + 1
    Wend

    ; The output of the above loop is this:

    ; 	1: \Seen
    ; 	2: \Seen
    ; 	3: \Seen
    ; 	4: \Seen

    ; As you can see, nothing is marked as Junk/Spam.  This concurs with the list of FLAGS
    ; documented in the response to the SELECT command.  Apparently, there is no flag for junk/nonjunk
    ; for outlook.com.  Mozilla Thunderbird must be storing additional information about particular
    ; emails locally.  (In other words, perhaps the Junk/NonJunk flag is information stored locally 
    ; by Thunderbird, and is not a flag set on the server.)

    Debug "---- Session Log ----"
    Debug CkImap::ckSessionLog(imap)

    ; The session log looks like this:

    ; 	----IMAP REQUEST----
    ; 	aaac SELECT "Inbox"
    ; 	----IMAP RESPONSE----
    ; 	* 4 EXISTS
    ; 	* 0 RECENT
    ; 	* FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
    ; 	* OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
    ; 	* OK [UIDVALIDITY 14] UIDVALIDITY value
    ; 	* OK [UIDNEXT 1719] The next unique identifier value
    ; 	aaac OK [READ-WRITE] SELECT completed.
    ; 	----IMAP REQUEST----
    ; 	aaad FETCH 1 (FLAGS)
    ; 	----IMAP RESPONSE----
    ; 	* 1 FETCH (FLAGS (\Seen))
    ; 	aaad OK FETCH completed.
    ; 	----IMAP REQUEST----
    ; 	aaae FETCH 2 (FLAGS)
    ; 	----IMAP RESPONSE----
    ; 	* 2 FETCH (FLAGS (\Seen))
    ; 	aaae OK FETCH completed.
    ; 	----IMAP REQUEST----
    ; 	aaaf FETCH 3 (FLAGS)
    ; 	----IMAP RESPONSE----
    ; 	* 3 FETCH (FLAGS (\Seen))
    ; 	aaaf OK FETCH completed.
    ; 	----IMAP REQUEST----
    ; 	aaag FETCH 4 (FLAGS)
    ; 	----IMAP RESPONSE----
    ; 	* 4 FETCH (FLAGS (\Seen))
    ; 	aaag OK FETCH completed.

    CkImap::ckDisconnect(imap)

    ; --------------------------------------------------------------------------------
    ; Now let's check GMail..
    ; Again, I've marked one email as Junk.

    CkImap::setCkKeepSessionLog(imap, 0)
    CkImap::setCkSsl(imap, 1)
    CkImap::setCkPort(imap, 993)
    success = CkImap::ckConnect(imap,"imap.gmail.com")
    If success <> 1
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    ; Login
    success = CkImap::ckLogin(imap,"myAccount@gmail.com","GMAIL-IMAP-PASSWORD")
    If success <> 1
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    CkImap::setCkKeepSessionLog(imap, 1)

    success = CkImap::ckSelectMailbox(imap,"Inbox")
    If success <> 1
        Debug CkImap::ckLastErrorText(imap)
        CkImap::ckDispose(imap)
        ProcedureReturn
    EndIf

    selectResponse = CkImap::ckLastResponse(imap)
    Debug selectResponse

    ; The response to GMail "SELECT Inbox" looks like this:

    ; * FLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk)
    ; * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk \*)] Flags permitted.
    ; * OK [UIDVALIDITY 3] UIDs valid.
    ; * 46 EXISTS
    ; * 0 RECENT
    ; * OK [UIDNEXT 4147] Predicted next UID.
    ; * OK [HIGHESTMODSEQ 403404]
    ; aaai OK [READ-WRITE] Inbox selected. (Success)

    sequenceNum = CkImap::ckNumMessages(imap)
    minSeqNum.i = 1
    If sequenceNum > 10
        minSeqNum = sequenceNum - 10
    EndIf

    While sequenceNum >= minSeqNum
        flags.s = CkImap::ckFetchFlags(imap,sequenceNum,0)
        Debug Str(sequenceNum) + ": " + flags
        sequenceNum = sequenceNum - 1
    Wend

    ; The output (for GMail) of the above loop is this:

    ; 	46: Junk \Seen
    ; 	45: NonJunk \Answered \Seen
    ; 	44: NonJunk \Seen
    ; 	43: \Answered \Seen
    ; 	42: \Answered \Seen
    ; 	41: NonJunk \Seen
    ; 	40: NonJunk \Answered \Seen
    ; 	39: NonJunk \Seen
    ; 	38: NonJunk \Seen
    ; 	37: NonJunk \Seen
    ; 	36: NonJunk \Seen

    ; As you can see, the email I marked as "Junk" using Mozilla Thunderbird has the Junk flag set.
    ; This concurs with GMail's list of FLAGS.  Apparently, since the IMAP server has a "Junk" flag,
    ; Thunderbird set it when I marked the email as Junk. 

    CkImap::ckDisconnect(imap)


    CkImap::ckDispose(imap)


    ProcedureReturn
EndProcedure

 

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