Fetch Single Email by UID or Sequence Number

Assuming the UID is known, download a single email by UID from an IMAP mail server.

Download Chilkat .NET for 2.0 Framework

Download Chilkat .NET for 1.0 / 1.1 Framework

Dim imap As New Chilkat.Imap()

Dim success As Boolean

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


'  Connect to an IMAP server.
success = imap.Connect("mail.chilkatsoft.com")
If (success <> true) Then
    MsgBox(imap.LastErrorText)
    Exit Sub
End If


'  Login
success = imap.Login("***","***")
If (success <> true) Then
    MsgBox(imap.LastErrorText)
    Exit Sub
End If


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



Dim email As Chilkat.Email

Dim uid As Long
uid = 2014
Dim isUid As Boolean
isUid = true

email = imap.FetchSingle(uid,isUid)
If (Not (email Is Nothing )) Then

    '  Display the From and Subject
    TextBox1.Text = TextBox1.Text & email.FromAddress & vbCrLf
    TextBox1.Refresh()
    TextBox1.Text = TextBox1.Text & email.Subject & vbCrLf
    TextBox1.Refresh()

    '  Display the Body property, which is the default body.
    '  If an email has an HTML body, the Body property contains
    '  the HTML source.  Otherwise it contains the plain-text
    '  body.
    TextBox1.Text = TextBox1.Text & "---- EMAIL BODY ----" & vbCrLf
    TextBox1.Refresh()
    TextBox1.Text = TextBox1.Text & email.Body & vbCrLf
    TextBox1.Refresh()
    TextBox1.Text = TextBox1.Text & "--------------------" & vbCrLf
    TextBox1.Refresh()

    '  Display the recipients:
    Dim j As Long
    For j = 0 To email.NumTo - 1
        TextBox1.Text = TextBox1.Text & email.GetToName(j) _
             & ", " & email.GetToAddr(j) & vbCrLf
        TextBox1.Refresh()
    Next
    For j = 0 To email.NumCC - 1
        TextBox1.Text = TextBox1.Text & email.GetCcName(j) _
             & ", " & email.GetCcAddr(j) & vbCrLf
        TextBox1.Refresh()
    Next

    '  Show the total size of the email, including body and attachments:
    TextBox1.Text = TextBox1.Text & email.Size & vbCrLf
    TextBox1.Refresh()

    '  When a full email is downloaded, we would use the
    '  email.NumAttachments property in conjunction with the
    '  email.GetMailAttach* methods.
    '  However, when an email object contains only the header,
    '  we need to access the attachment info differently:
    Dim numAttach As Long
    numAttach = imap.GetMailNumAttach(email)
    TextBox1.Text = TextBox1.Text & numAttach & vbCrLf
    TextBox1.Refresh()

    For j = 0 To numAttach - 1
        TextBox1.Text = TextBox1.Text & imap.GetMailAttachFilename(email,j) & vbCrLf
        TextBox1.Refresh()
        Dim attachSize As Long
        attachSize = imap.GetMailAttachSize(email,j)
        TextBox1.Text = TextBox1.Text & "    size = " _
             & attachSize & " bytes" & vbCrLf
        TextBox1.Refresh()
    Next

    TextBox1.Text = TextBox1.Text & "--" & vbCrLf
    TextBox1.Refresh()

End If


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