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(PureBasic) Process New Email by Scanning for SendersScan email and save application-selected emails to EML files with unique filenames. 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 ; Connect to an IMAP server. ; Use TLS CkImap::setCkSsl(imap, 1) CkImap::setCkPort(imap, 993) success = CkImap::ckConnect(imap,"imap.someMailServer.com") If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) ProcedureReturn EndIf ; 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 ; We can choose to fetch UIDs or sequence numbers. fetchUids.i = 1 ; 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.i = CkMessageSet::ckCreate() If messageSet.i = 0 Debug "Failed to create object." ProcedureReturn EndIf success = CkImap::ckQueryMbx(imap,"NEW",fetchUids,messageSet) If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) CkMessageSet::ckDispose(messageSet) ProcedureReturn EndIf ; 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.i = CkEmailBundle::ckCreate() If bundle.i = 0 Debug "Failed to create object." ProcedureReturn EndIf headersOnly.i = 1 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 email objects... emailHeader.i = CkEmail::ckCreate() If emailHeader.i = 0 Debug "Failed to create object." ProcedureReturn EndIf fullEmail.i = CkEmail::ckCreate() If fullEmail.i = 0 Debug "Failed to create object." ProcedureReturn EndIf i.i = 0 numEmails.i = CkEmailBundle::ckMessageCount(bundle) While i < numEmails CkEmailBundle::ckEmailAt(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" Debug CkEmail::ckFrom(emailHeader) Debug CkEmail::ckFromAddress(emailHeader) Debug CkEmail::ckFromName(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.s = CkEmail::ckGetHeaderField(emailHeader,"ckx-imap-uid") uid.i = Val(uidStr) success = CkImap::ckFetchEmail(imap,0,uid,1,fullEmail) If success = 0 Debug CkImap::ckLastErrorText(imap) CkImap::ckDispose(imap) CkMessageSet::ckDispose(messageSet) CkEmailBundle::ckDispose(bundle) CkEmail::ckDispose(emailHeader) CkEmail::ckDispose(fullEmail) ProcedureReturn EndIf ; You can use the GenerateFilename method to ; generate a unique filename... filename.s = CkEmail::ckGenerateFilename(fullEmail) ; SaveEml saves the entire email, including attachments. success = CkEmail::ckSaveEml(fullEmail,filename) 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(emailHeader) CkEmail::ckDispose(fullEmail) ProcedureReturn EndProcedure |
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