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(PureBasic) IMAP STARTTLS (Explicit TLS/SSL)The StartTls property is set to force the Connect method to automatically convert an connection to TLS/SSL via the STARTTLS IMAP command. This is also known as "explicit TLS/SSL" as opposed to "implicit TLS/SSL". With implicit TLS/SSL, the IMAP client connects on the well-known IMAP TLS/SSL port 993 and the secure channel is immediately established. With explicit TLS/SSL, the IMAP client connects on the typical non-secure port (143 usually) and the converts the connection via the STARTTLS command. Note: This example requires Chilkat v11.0.0 or greater.
IncludeFile "CkImap.pb" IncludeFile "CkEmailBundle.pb" IncludeFile "CkMessageSet.pb" IncludeFile "CkEmail.pb" Procedure ChilkatExample() success.i = 0 ; This example assumes the Chilkat API to have been previously unlocked. ; See Global Unlock Sample for sample code. imap.i = CkImap::ckCreate() If imap.i = 0 Debug "Failed to create object." ProcedureReturn EndIf ; Indicate that STARTTLS should be used to convert ; to a secure TLS/SSL connection: CkImap::setCkStartTls(imap, 1) CkImap::setCkPort(imap, 143) ; Connect to an IMAP server and convert the connection ; to TLS/SSL via STARTTLS. success = CkImap::ckConnect(imap,"imap.example.com") If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf ; The remainder of this example is the same as for ; non-TLS/SSL... ; Login success = CkImap::ckLogin(imap,"myLogin","myPassword") If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf ; Select an IMAP mailbox success = CkImap::ckSelectMailbox(imap,"Inbox") If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf ; Get the message IDs of all the emails in the mailbox fetchUids.i = 1 messageSet.i = CkMessageSet::ckCreate() If messageSet.i = 0 Debug "Failed to create object." ProcedureReturn EndIf success = CkImap::ckQueryMbx(imap,"ALL",fetchUids,messageSet) If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) CkMessageSet::ckDispose(messageSet) ProcedureReturn EndIf ; Fetch the emails into a bundle object: bundle.i = CkEmailBundle::ckCreate() If bundle.i = 0 Debug "Failed to create object." ProcedureReturn EndIf headersOnly.i = 0 success = CkImap::ckFetchMsgSet(imap,headersOnly,messageSet,bundle) If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) CkMessageSet::ckDispose(messageSet) CkEmailBundle::ckDispose(bundle) ProcedureReturn EndIf ; Loop over the bundle and display the FROM and SUBJECT of each. email.i = CkEmail::ckCreate() If email.i = 0 Debug "Failed to create object." ProcedureReturn EndIf i.i = 0 numEmails.i = CkEmailBundle::ckMessageCount(bundle) While i < numEmails CkEmailBundle::ckEmailAt(bundle,i,email) Debug CkEmail::ckFrom(email) Debug CkEmail::ckSubject(email) Debug "--" i = i + 1 Wend ; Disconnect from the IMAP server. success = CkImap::ckDisconnect(imap) CkImap::ckDispose(imap) CkMessageSet::ckDispose(messageSet) CkEmailBundle::ckDispose(bundle) CkEmail::ckDispose(email) ProcedureReturn EndProcedure |
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