Delphi DLL Requires Chilkat v11.0.0+

Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames. Delphi DLL

var
success: Boolean;
imap: HCkImap;
fetchUids: Boolean;
messageSet: HCkMessageSet;
bundle: HCkEmailBundle;
headersOnly: Boolean;
emailHeader: HCkEmail;
fullEmail: HCkEmail;
i: Integer;
numEmails: Integer;
uidStr: PWideChar;
uid: Integer;
filename: PWideChar;

begin
success := False;

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

imap := CkImap_Create();

//  Connect to an IMAP server.
//  Use TLS
CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);
success := CkImap_Connect(imap,'imap.example.com');
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

//  Login
success := CkImap_Login(imap,'myLogin','myPassword');
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

//  Select an IMAP mailbox
success := CkImap_SelectMailbox(imap,'Inbox');
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

//  We can choose to fetch UIDs or sequence numbers.
fetchUids := True;

//  Fetch messages from the mailbox using a search criteria.
//  This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
messageSet := CkMessageSet_Create();
success := CkImap_QueryMbx(imap,'NEW',fetchUids,messageSet);
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

//  This example will download headers, and then download
//  the full email for those emails sent from a contact
//  in our database.

//  When downloading headers, each email object contains
//  (obviously) the headers, but the body will be missing.
//  Also, attachments will not be included.  However, it is
//  possible to get information about the attachments
//  as well as the complete size of the email.
bundle := CkEmailBundle_Create();
headersOnly := True;
success := CkImap_FetchMsgSet(imap,headersOnly,messageSet,bundle);
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

//  Loop over the email objects...
emailHeader := CkEmail_Create();
fullEmail := CkEmail_Create();
i := 0;
numEmails := CkEmailBundle_getMessageCount(bundle);
while i < numEmails do
  begin
    CkEmailBundle_EmailAt(bundle,i,emailHeader);

    //  The sender's email address and name are available
    //  in the From, FromAddress, and FromName properties.
    //  If the sender is "Chilkat Support <support@chilkatsoft.com",
    //  then the From property will hold the entire string.
    //  the FromName property contains"Chilkat Support",
    //  and the FromAddress property contains "support@chilkatsoft.com";
    Memo1.Lines.Add(CkEmail__from(emailHeader));
    Memo1.Lines.Add(CkEmail__fromAddress(emailHeader));
    Memo1.Lines.Add(CkEmail__fromName(emailHeader));

    //  Assume at this point your code checks to see if the sender
    //  is one in your contacts database.  If so, this is
    //  the code you would write to download the entire
    //  email and save it to a file.

    //  The ckx-imap-uid header field is added when
    //  headers are downloaded.  This makes it possible
    //  to get the UID from the email object.
    uidStr := CkEmail__getHeaderField(emailHeader,'ckx-imap-uid');
    uid := StrToInt(uidStr);

    success := CkImap_FetchEmail(imap,False,uid,True,fullEmail);
    if (success = False) then
      begin
        Memo1.Lines.Add(CkImap__lastErrorText(imap));
        Exit;
      end;

    //  You can use the GenerateFilename method to
    //  generate a unique filename...
    filename := CkEmail__generateFilename(fullEmail);

    //  SaveEml saves the entire email, including attachments.
    success := CkEmail_SaveEml(fullEmail,filename);

    Memo1.Lines.Add('--');

    i := i + 1;
  end;

//  Disconnect from the IMAP server.
success := CkImap_Disconnect(imap);

CkImap_Dispose(imap);
CkMessageSet_Dispose(messageSet);
CkEmailBundle_Dispose(bundle);
CkEmail_Dispose(emailHeader);
CkEmail_Dispose(fullEmail);