Search/Download only Encrypted Emails

Download Chilkat Email ActiveX

Searching an IMAP mailbox for emails that are encrypted and download. Emails are automatically decrypted.

Download 32-bit Chilkat IMAP ActiveX (.msi)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

Dim imap As New ChilkatImap

Dim success As Long

'  Anything unlocks the component and begins a fully-functional 30-day trial.
success = imap.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Connect to an IMAP server.
success = imap.Connect("www.cknotes.com")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Login
success = imap.Login("myLogin","myPassword")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success <> 1) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  An S/MIME encrypted email should have a content-type
'  header containing the substring "pkcs7-mime":
Dim headerSearch As String
headerSearch = "HEADER Content-Type pkcs7-mime"

Dim messageSet As MessageSet
Dim fetchUids As Long
fetchUids = 1
Set messageSet = imap.Search(headerSearch,fetchUids)
If (messageSet Is Nothing ) Then
    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Download the emails indicated in the messageSet.
'  The emails are automatically decrypted.
Dim bundle As ChilkatEmailBundle2
Set bundle = imap.FetchBundle(messageSet)
If (bundle Is Nothing ) Then

    MsgBox imap.LastErrorText
    Exit Sub
End If

'  Display some information from each email:
Dim i As Long
For i = 0 To bundle.MessageCount - 1
    Dim email As ChilkatEmail2
    Set email = bundle.GetEmail(i)

    Text1.Text = Text1.Text & email.GetHeaderField("Date") & vbCrLf
    Text1.Text = Text1.Text & email.Subject & vbCrLf
    Text1.Text = Text1.Text & email.From & vbCrLf

    Text1.Text = Text1.Text & "Received Encrypted: " _
         & email.ReceivedEncrypted & vbCrLf
    If (email.ReceivedEncrypted = 1) Then
        Text1.Text = Text1.Text & "Successfully Decrypted: " _
             & email.Decrypted & vbCrLf
    End If

    Text1.Text = Text1.Text & "Received Signed: " _
         & email.ReceivedSigned & vbCrLf
    If (email.ReceivedSigned = 1) Then
        Text1.Text = Text1.Text & "Signature Verified: " _
             & email.SignaturesValid & vbCrLf
    End If

    Text1.Text = Text1.Text & "--" & vbCrLf

Next

'  Disconnect from the IMAP server.
imap.Disconnect