Delphi DLL
Delphi DLL
Examine Junk/NonJunk Flags on Outlook.com and GMail
See more IMAP Examples
Examines the Junk and NonJunk FLAGS for IMAP on Outlook.com and GMail.com.Chilkat Delphi DLL Downloads
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Imap;
...
procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
imap: HCkImap;
selectResponse: PWideChar;
sequenceNum: Integer;
flags: PWideChar;
minSeqNum: Integer;
flags: PWideChar;
begin
success := False;
imap := CkImap_Create();
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Connect to the outlook.com IMAP server.
// We'll do the same for GMail below..
// Use TLS
CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);
success := CkImap_Connect(imap,'imap-mail.outlook.com');
if (success <> True) then
begin
Memo1.Lines.Add(CkImap__lastErrorText(imap));
Exit;
end;
// Login
success := CkImap_Login(imap,'myAccount@outlook.com','OUTLOOK_PASSWORD');
if (success <> True) then
begin
Memo1.Lines.Add(CkImap__lastErrorText(imap));
Exit;
end;
// Begin keeping a log of the session here.
CkImap_putKeepSessionLog(imap,True);
// Select an IMAP mailbox
success := CkImap_SelectMailbox(imap,'Inbox');
if (success <> True) then
begin
Memo1.Lines.Add(CkImap__lastErrorText(imap));
Exit;
end;
// 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 := CkImap__lastResponse(imap);
Memo1.Lines.Add(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 := 1;
while sequenceNum <= CkImap_getNumMessages(imap) do
begin
flags := CkImap__fetchFlags(imap,sequenceNum,False);
Memo1.Lines.Add(IntToStr(sequenceNum) + ': ' + flags);
sequenceNum := sequenceNum + 1;
end;
// 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.)
Memo1.Lines.Add('---- Session Log ----');
Memo1.Lines.Add(CkImap__sessionLog(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_Disconnect(imap);
// --------------------------------------------------------------------------------
// Now let's check GMail..
// Again, I've marked one email as Junk.
CkImap_putKeepSessionLog(imap,False);
CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);
success := CkImap_Connect(imap,'imap.gmail.com');
if (success <> True) then
begin
Memo1.Lines.Add(CkImap__lastErrorText(imap));
Exit;
end;
// Login
success := CkImap_Login(imap,'myAccount@gmail.com','GMAIL-IMAP-PASSWORD');
if (success <> True) then
begin
Memo1.Lines.Add(CkImap__lastErrorText(imap));
Exit;
end;
CkImap_putKeepSessionLog(imap,True);
success := CkImap_SelectMailbox(imap,'Inbox');
if (success <> True) then
begin
Memo1.Lines.Add(CkImap__lastErrorText(imap));
Exit;
end;
selectResponse := CkImap__lastResponse(imap);
Memo1.Lines.Add(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_getNumMessages(imap);
minSeqNum := 1;
if (sequenceNum > 10) then
begin
minSeqNum := sequenceNum - 10;
end;
while sequenceNum >= minSeqNum do
begin
flags := CkImap__fetchFlags(imap,sequenceNum,False);
Memo1.Lines.Add(IntToStr(sequenceNum) + ': ' + flags);
sequenceNum := sequenceNum - 1;
end;
// 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_Disconnect(imap);
CkImap_Dispose(imap);
end;