VB.NET

Process Large POP3 Mailbox

Demonstrates how to read email from a mailbox that may contain a large number of emails. VB.NET

Dim success As Boolean = False

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim mailman As 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.
Dim stUidls As New Chilkat.StringTable
success = mailman.FetchUidls(stUidls)
If (success = False) Then
    Debug.WriteLine(mailman.LastErrorText)
    Exit Sub
End If


' Download each email by UIDL.
Dim email As New Chilkat.Email

Dim count As Integer = stUidls.Count
Dim i As Integer = 0
While i < count
    ' Download the full email.
    Dim uidl As String = stUidls.StringAt(i)
    success = mailman.FetchByUidl(uidl,False,0,email)
    If (success = False) Then
        Debug.WriteLine(mailman.LastErrorText)
        Exit Sub
    End If


    Debug.WriteLine(i)
    Debug.WriteLine("UIDL: " & uidl)
    Debug.WriteLine("From: " & email.From)
    Debug.WriteLine("Subject: " & email.Subject)

    i = i + 1
End While

mailman.Pop3EndSession()