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(DataFlex) POP3 using HTTP ProxyDemonstrates how to communicate with a POP3 server through an HTTP proxy. Note: This example requires Chilkat v11.0.0 or greater.
Use ChilkatAx-win32.pkg Procedure Test Boolean iSuccess Handle hoMailman Variant vBundle Handle hoBundle Boolean iKeepOnServer Boolean iHeadersOnly Integer iNumBodyLines Variant vEmail Handle hoEmail Integer i String sTemp1 Move False To iSuccess // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // The mailman object is used for receiving (POP3) // and sending (SMTP) email. Get Create (RefClass(cComChilkatMailMan)) To hoMailman If (Not(IsComObjectCreated(hoMailman))) Begin Send CreateComObject of hoMailman End // To connect through an HTTP proxy, set the HttpProxyHostname // and HttpProxyPort properties to the hostname (or IP address) // and port of the HTTP proxy. Typical port numbers used by // HTTP proxy servers are 3128 and 8080. Set ComHttpProxyHostname Of hoMailman To "www.my-http-proxy.com" Set ComHttpProxyPort Of hoMailman To 3128 // Important: Your HTTP proxy server must allow non-HTTP // traffic to pass. Otherwise this does not work. // Set the POP3 server's hostname Set ComMailHost Of hoMailman To "pop.someMailServer.com" // Set the POP3 login/password. Set ComPopUsername Of hoMailman To "myLogin" Set ComPopPassword Of hoMailman To "myPassword" // Copy the all email from the user's POP3 mailbox // into a bundle object. The email remains on the server. // // NOTE: All methods that communicate with a POP3 server // will automatically connect and authenticate (i.e. login) // if not already connected. The connection will remain // open after the method call returns so that subsequent // calls do not need to re-establish the connection. // In this case, the connection is established via the HTTP // proxy. Get Create (RefClass(cComChilkatEmailBundle)) To hoBundle If (Not(IsComObjectCreated(hoBundle))) Begin Send CreateComObject of hoBundle End Move True To iKeepOnServer Move False To iHeadersOnly // Irrelevent because we are not downloading headers-only Move 0 To iNumBodyLines Get pvComObject of hoBundle to vBundle Get ComFetchAll Of hoMailman iKeepOnServer iHeadersOnly iNumBodyLines vBundle To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoMailman To sTemp1 Showln sTemp1 Procedure_Return End Get Create (RefClass(cComChilkatEmail)) To hoEmail If (Not(IsComObjectCreated(hoEmail))) Begin Send CreateComObject of hoEmail End Move 0 To i While (i < (ComMessageCount(hoBundle))) Get pvComObject of hoEmail to vEmail Get ComEmailAt Of hoBundle i vEmail To iSuccess Get ComFrom Of hoEmail To sTemp1 Showln "From: " sTemp1 Get ComSubject Of hoEmail To sTemp1 Showln "Subject: " sTemp1 Move (i + 1) To i Loop Get ComPop3EndSession Of hoMailman To iSuccess End_Procedure |
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