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(Mono C#) Process Large POP3 MailboxDemonstrates how to read email from a mailbox that may contain a large number of emails.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.MailMan mailman = new Chilkat.MailMan(); mailman.MailHost = "pop.example.com"; mailman.PopUsername = "myLogin"; mailman.PopPassword = "myPassword"; mailman.MailPort = 995; mailman.PopSsl = true; // Get the list of UIDLs for all emails in the mailbox. Chilkat.StringArray sa = mailman.GetUidls(); if (mailman.LastMethodSuccess == false) { Debug.WriteLine(mailman.LastErrorText); return; } int i; int numEmails = sa.Count; if (numEmails == 0) { Debug.WriteLine("Mailbox is empty"); return; } int chunkSize = 6; // Download the emails in chunks of 6 emails each. int chunkBeginIdx = 0; int chunkEndIdx = chunkSize - 1; if (chunkEndIdx >= numEmails) { chunkEndIdx = numEmails - 1; } Chilkat.StringArray saChunk = new Chilkat.StringArray(); while ((chunkBeginIdx < numEmails)) { Debug.WriteLine(Convert.ToString(chunkBeginIdx) + " to " + Convert.ToString(chunkEndIdx)); // Build a chunk of UIDLs. saChunk.Clear(); for (i = chunkBeginIdx; i <= chunkEndIdx; i++) { saChunk.Append(sa.GetString(i)); } // Log the UIDLs in this chunk... string chunkStr = saChunk.SaveToText(); Debug.WriteLine(chunkStr); // Download this chunk of email from the POP3 server. Chilkat.EmailBundle bundle = mailman.FetchMultiple(saChunk); if (mailman.LastMethodSuccess == false) { Debug.WriteLine(mailman.LastErrorText); return; } Debug.WriteLine("Downloaded " + Convert.ToString(bundle.MessageCount) + " emails."); Debug.WriteLine("----"); // Process the bundle... // (your application's processing code goes here...) // Get the next chunk... chunkBeginIdx = chunkBeginIdx + chunkSize; chunkEndIdx = chunkEndIdx + chunkSize; if (chunkEndIdx >= numEmails) { chunkEndIdx = numEmails - 1; } } |
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