Classic ASP Requires Chilkat v11.0.0+
Fetch Single Email by UID or Sequence Number

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

Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

set imap = Server.CreateObject("Chilkat.Imap")

'  Connect to an IMAP server.
'  Use TLS
imap.Ssl = 1
imap.Port = 993
success = imap.Connect("imap.example.com")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

'  Login
success = imap.Login("***","***")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

'  Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

set email = Server.CreateObject("Chilkat.Email")

uid = 2014
isUid = 1

success = imap.FetchEmail(0,uid,isUid,email)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

'  Display the From and Subject
Response.Write "<pre>" & Server.HTMLEncode( email.FromAddress) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( email.Subject) & "</pre>"

'  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.
Response.Write "<pre>" & Server.HTMLEncode( "---- EMAIL BODY ----") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( email.Body) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "--------------------") & "</pre>"

'  Display the recipients:

For j = 0 To email.NumTo - 1
    Response.Write "<pre>" & Server.HTMLEncode( email.GetToName(j) & ", " & email.GetToAddr(j)) & "</pre>"
Next
For j = 0 To email.NumCC - 1
    Response.Write "<pre>" & Server.HTMLEncode( email.GetCcName(j) & ", " & email.GetCcAddr(j)) & "</pre>"
Next

'  Show the total size of the email, including body and attachments:
Response.Write "<pre>" & Server.HTMLEncode( email.Size) & "</pre>"

'  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:
numAttach = imap.GetMailNumAttach(email)
Response.Write "<pre>" & Server.HTMLEncode( numAttach) & "</pre>"

For j = 0 To numAttach - 1
    Response.Write "<pre>" & Server.HTMLEncode( imap.GetMailAttachFilename(email,j)) & "</pre>"
    attachSize = imap.GetMailAttachSize(email,j)
    Response.Write "<pre>" & Server.HTMLEncode( "    size = " & attachSize & " bytes") & "</pre>"
Next

Response.Write "<pre>" & Server.HTMLEncode( "--") & "</pre>"

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

%>
</body>
</html>