(Classic ASP) Imap.GetMailSize vs Email.Size

Shows how to get the total size of an email, as well as the sizes of the attachments. This can be done when either full-emails or headers-only are downloaded.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Imap")
set imap = Server.CreateObject("Chilkat.Imap")

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

' Login
success = imap.Login("****","****")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

' Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

' We can choose to fetch UIDs or sequence numbers.
fetchUids = 1
' Get the message IDs of all the emails in the mailbox
' messageSet is a Chilkat.MessageSet
Set messageSet = imap.Search("ALL",fetchUids)
If (imap.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

' 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.

' bundle is a Chilkat.EmailBundle
Set bundle = imap.FetchHeaders(messageSet)
If (imap.LastMethodSuccess = 0) Then

    Response.Write "<pre>" & Server.HTMLEncode( imap.LastErrorText) & "</pre>"
    Response.End
End If

' Loop over the email objects and display information
' about each:
i = 0
numEmails = bundle.MessageCount
Do While i < numEmails

    ' email is a Chilkat.Email
    Set email = bundle.GetEmail(i)

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

    i = i + 1
Loop

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


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