The ExInbox ia simple-to-use POP3 ( Post Office Protocol ) client library that allows mail readers to connect to many POP servers and manage email. It implements the client side of RFC 1939. The ExInbox is a free implementation of POP3 protocol for Win32 platforms. The email client can download the entire 
email message or only message's header. Non-blocking mode supported. Use the ExInbox ( a POP3 implementation  ) to get the email messages. Use the ExEMail ( a SMTP implementation ) to send your messages.

Here's a piece of code that shows how easy is to read the messages in VB: 

Dim WithEvents ibx As Inbox

Private Sub Form_Load()
    Set ibx = New Inbox
    ibx.Read "mail.somewhere.com", "user", "password"
End Sub

Private Sub ibx_Read()
    Dim i As Long
    For i = 0 To ibx.Count - 1
        With ibx(i)
            Debug.Print "From: " & .From & " Subject: " & .Subject & " " & .Size
        End With
    Next
End Sub

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