(Visual Basic 6.0) Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames.

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

Dim imap As New ChilkatImap

' Connect to an IMAP server.
' Use TLS
imap.Ssl = 1
imap.Port = 993
success = imap.Connect("imap.someMailServer.com")
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Login
success = imap.Login("myLogin","myPassword")
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' We can choose to fetch UIDs or sequence numbers.
Dim fetchUids As Long
fetchUids = 1

' Fetch messages from the mailbox using a search criteria.
' This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
Dim messageSet As New MessageSet
success = imap.QueryMbx("NEW",fetchUids,messageSet)
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' This example will download headers, and then download
' the full email for those emails sent from a contact
' in our database.

' When downloading headers, each email object contains
' (obviously) the headers, but the body will be missing.
' Also, attachments will not be included.  However, it is
' possible to get information about the attachments
' as well as the complete size of the email.
Dim bundle As New ChilkatEmailBundle
Dim headersOnly As Long
headersOnly = 1
success = imap.FetchMsgSet(headersOnly,messageSet,bundle)
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Loop over the email objects...
Dim emailHeader As New ChilkatEmail
Dim fullEmail As New ChilkatEmail
Dim i As Long
i = 0
Dim numEmails As Long
numEmails = bundle.MessageCount
Do While i < numEmails
    success = bundle.EmailAt(i,emailHeader)

    ' The sender's email address and name are available
    ' in the From, FromAddress, and FromName properties.
    ' If the sender is "Chilkat Support <support@chilkatsoft.com",
    ' then the From property will hold the entire string.
    ' the FromName property contains"Chilkat Support",
    ' and the FromAddress property contains "support@chilkatsoft.com"
    Debug.Print emailHeader.From
    Debug.Print emailHeader.FromAddress
    Debug.Print emailHeader.FromName

    ' Assume at this point your code checks to see if the sender
    ' is one in your contacts database.  If so, this is
    ' the code you would write to download the entire
    ' email and save it to a file.

    ' The ckx-imap-uid header field is added when
    ' headers are downloaded.  This makes it possible
    ' to get the UID from the email object.
    Dim uidStr As String
    uidStr = emailHeader.GetHeaderField("ckx-imap-uid")
    Dim uid As Long
    uid = CLng(uidStr)

    success = imap.FetchEmail(0,uid,1,fullEmail)
    If (success = 0) Then
        Debug.Print imap.LastErrorText
        Exit Sub
    End If

    ' You can use the GenerateFilename method to
    ' generate a unique filename...
    Dim filename As String
    filename = fullEmail.GenerateFilename()

    ' SaveEml saves the entire email, including attachments.
    success = fullEmail.SaveEml(filename)

    Debug.Print "--"

    i = i + 1
Loop

' Disconnect from the IMAP server.
success = imap.Disconnect()