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(PowerShell) Download IMAP Message Set using FetchBundleDemonstrates how to read IMAP emails using the FetchBundle method.
Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll" # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $imap = New-Object Chilkat.Imap # Connect using TLS. $imap.Ssl = $true $imap.Port = 993 $success = $imap.Connect("imap.example.com") if ($success -ne $true) { $($imap.LastErrorText) exit } # Authenticate $success = $imap.Login("email_account_login","email_account_password") if ($success -ne $true) { $($imap.LastErrorText) exit } # Select an IMAP mailbox $success = $imap.SelectMailbox("Inbox") if ($success -ne $true) { $($imap.LastErrorText) exit } # Search for messages with the word "test" in the subject. $fetchUids = $true $messageSet = $imap.Search("Subject test",$fetchUids) if ($imap.LastMethodSuccess -ne $true) { $($imap.LastErrorText) exit } # Download the messages in a single call to FetchBundle. # # This only makes sense if the number of emails to be downloaded is not too large. # For example, you wouldn't want to download 10000 emails in a single call to FetchBundle. # Why? For two reasons: (1) It could potentially cause an out-of-memory condition, and # (2) it would take an extremely large amount of time. The longer the amount of time, # the greater the likelihood of some kind of external networking or server problem occuring, # and if it happens, then you would need to re-download everything from the beginning again. # For large numbers of emails, it's better to loop over the emails in the message set # and download/process one at a time as shown here: Download IMAP Messages One at a Time # Downloading one message at a time makes it possible to resume the downloads rather than restart the entire operation all over again. # If the message set is reasonable in size, you can download all at once using FetchBundle: $("Number of messages = " + $messageSet.Count) $bundle = $imap.FetchBundle($messageSet) if ($imap.LastMethodSuccess -eq $false) { $($imap.LastErrorText) exit } # Display the Subject and From of each email. $i = 0 $numEmails = $bundle.MessageCount while ($i -lt $numEmails) { $email = $bundle.GetEmail($i) $($email.GetHeaderField("Date")) $($email.Subject) $($email.From) $("--") $i = $i + 1 } |
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