B4X Requires Chilkat v11.0.0+

Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox. B4X

Dim success As Boolean = False

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

Dim imap As ChilkatImap
imap.Initialize("imap")

'  Connect to an IMAP server.
'  Use TLS
imap.Ssl = True
imap.Port = 993
success = imap.Connect("imap.example.com")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Login
success = imap.Login("admin@chilkatsoft.com", "myPassword")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Find emails marked as seen or not already seen:
Dim seenSearch As String = "SEEN"
Dim notSeenSearch As String = "NOT SEEN"

'  Get the set of unseen message UIDs
Dim fetchUids As Boolean = True
Dim messageSet As ChilkatMessageSet
messageSet.Initialize
success = imap.QueryMbx(notSeenSearch, fetchUids, messageSet)
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Fetch the unseen emails into a bundle object:
Dim bundle As ChilkatEmailBundle
bundle.Initialize
Dim headersOnly As Boolean = False
success = imap.FetchMsgSet(headersOnly, messageSet, bundle)
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Display the Subject and From of each email.
Dim email As ChilkatEmail
email.Initialize
Dim i As Int = 0
Dim numEmails As Int = bundle.MessageCount
Do While i < numEmails
    bundle.EmailAt(i, email)

    Log(email.GetHeaderField("Date"))
    Log(email.Subject)
    Log(email.From)
    Log("--")
    i = i + 1
Loop

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