(Visual Basic 6.0) Retrieve UIDL's from POP3 Server

Retrieve a list of UIDLs from a POP3 server. UIDLs are unique identifiers, 1 to 70 characters long, composed of characters ranging from 0x21 to 0x7E. These identifiers uniquely distinguish messages within a mailbox and remain consistent across sessions.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim success As Long
success = 0

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

Dim mailman As New ChilkatMailMan

mailman.MailHost = "pop.example.com"

mailman.PopUsername = "myLogin"
mailman.PopPassword = "myPassword"

mailman.MailPort = 995
mailman.PopSsl = 1

Dim stUidls As New ChilkatStringTable
success = mailman.FetchUidls(stUidls)
If (success = 0) Then
    Debug.Print mailman.LastErrorText
    Exit Sub
End If

' Download each email by UIDL.
Dim email As New ChilkatEmail

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

    Debug.Print i
    Debug.Print "UIDL: " & uidl
    Debug.Print "From: " & email.From
    Debug.Print "Subject: " & email.Subject

    i = i + 1
Loop

success = mailman.Pop3EndSession()