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(Delphi DLL) Retrieve UIDL's from POP3 ServerRetrieve a list of UIDLs from a POP3 server. UIDLs are unique identifiers, 1 to 70 characters long, composed of characters ranging from 0x21 to 0x7E. These identifiers uniquely distinguish messages within a mailbox and remain consistent across sessions. Note: This example requires Chilkat v11.0.0 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, StringTable, Email, MailMan; ... procedure TForm1.Button1Click(Sender: TObject); var success: Boolean; mailman: HCkMailMan; stUidls: HCkStringTable; email: HCkEmail; count: Integer; i: Integer; uidl: PWideChar; begin success := False; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. mailman := CkMailMan_Create(); CkMailMan_putMailHost(mailman,'pop.example.com'); CkMailMan_putPopUsername(mailman,'myLogin'); CkMailMan_putPopPassword(mailman,'myPassword'); CkMailMan_putMailPort(mailman,995); CkMailMan_putPopSsl(mailman,True); stUidls := CkStringTable_Create(); success := CkMailMan_FetchUidls(mailman,stUidls); if (success = False) then begin Memo1.Lines.Add(CkMailMan__lastErrorText(mailman)); Exit; end; // Download each email by UIDL. email := CkEmail_Create(); count := CkStringTable_getCount(stUidls); i := 0; while i < count do begin // Download the full email. uidl := CkStringTable__stringAt(stUidls,i); success := CkMailMan_FetchByUidl(mailman,uidl,False,0,email); if (success = False) then begin Memo1.Lines.Add(CkMailMan__lastErrorText(mailman)); Exit; end; Memo1.Lines.Add(IntToStr(i)); Memo1.Lines.Add('UIDL: ' + uidl); Memo1.Lines.Add('From: ' + CkEmail__from(email)); Memo1.Lines.Add('Subject: ' + CkEmail__subject(email)); i := i + 1; end; CkMailMan_Pop3EndSession(mailman); CkMailMan_Dispose(mailman); CkStringTable_Dispose(stUidls); CkEmail_Dispose(email); end; |
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