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Index of Chilkat Blog Posts

November 13, 2007

Deleting Email Older than N Days from POP3 Mailbox

This VB6 example demonstrates how to delete email older than N days old from a POP3 mailbox. The same technique can be used in all programming languages supported by Chilkat: C#, VB.NET, C++, ASP, FoxPro, Delphi, Ruby, Perl, Python, Java, etc.

Assuming you’ve downloaded email into a bundle object, you would iterate over the bundle checking each email to see if it’s older than N days old. The email.LocalDate property provides the date/time. The coding for dates depends on the programming language, therefore this example cannot be automatically provided in all languages at once.

Each email to be deleted is added to a Chilkat string array object, and then the emails are delete via a single call to DeleteMultiple:

Dim bundle As ChilkatEmailBundle2
' Assume you've downloaded email into the bundle...
Dim toBeDeleted As New CkStringArray
Dim i As Long
Dim email As ChilkatEmail2
Dim eDate As Date
For i = 0 To bundle.MessageCount - 1
    Set email = bundle.GetEmail(i)
    eDate = email.LocalDate
    ' If older than 4 days, add the UIDL to the list to be deleted.
    If (eDate < (Now - 4)) Then
        toBeDeleted.Append email.uidl
    End If
If (toBeDeleted.Count > 0) Then
    success = mailman.DeleteMultiple(toBeDeleted)
    If (success = 0) Then
        MsgBox mailman.LastErrorText
    End If
End If

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