Retrieve UIDL's from POP3 Server

Retrieve a list of UIDLs from a POP3 server. A UIDL is an identifier consisting of 1 to 70 characters in the range 0x21 to 0x7E, which uniquely identifies a messages within a mailbox and persists across sessions.

Download Chilkat Email ActiveX for POP3 / SMTP

'  The mailman object is used for receiving (POP3)
'  and sending (SMTP) email.
Dim mailman As New ChilkatMailMan2

'  Any string argument automatically begins the 30-day trial.
Dim success As Long
success = mailman.UnlockComponent("30-day trial")
If (success <> 1) Then
    MsgBox "Component unlock failed"
    Exit Sub
End If

'  Set the POP3 server's hostname
mailman.MailHost = "mail.chilkatsoft.com"

'  Set the POP3 login/password.
mailman.PopUsername = "matt@chilkatsoft.com"
mailman.PopPassword = "****"

Dim sa As CkStringArray

Set sa = mailman.GetUidls()
Dim i As Long
Dim n As Long
n = sa.Count

For i = 0 To n - 1
    Text1.Text = Text1.Text & sa.GetString(i) & vbCrLf
    Text1.Refresh
Next