Fetch Oldest/Newest IMAP Email

Emails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number.

Downloads for Windows/Linux and Install Instructions

require 'rubygems'
require 'chilkat'

imap = Chilkat::CkImap.new()

#  Anything unlocks the component and begins a fully-functional 30-day trial.
success = imap.UnlockComponent("Anything for 30-day trial")
if (success != true)
    print imap.lastErrorText() + "\n"
    exit
end

#  Connect to an IMAP server.
success = imap.Connect("mail.testemail.net")
if (success != true)
    print imap.lastErrorText() + "\n"
    exit
end

#  Login
success = imap.Login("***","***")
if (success != true)
    print imap.lastErrorText() + "\n"
    exit
end

#  Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
if (success != true)
    print imap.lastErrorText() + "\n"
    exit
end

#  After selecting a mailbox, the NumMessages property
#  contains the number of emails in the selected mailbox.

n = imap.get_NumMessages()

if (n > 0)

    #  The oldest email is always at sequence number 1.
    isUid = false

    # oldestEmail is a CkEmail
    oldestEmail = imap.FetchSingle(1,isUid)
    if (!(oldestEmail == nil ))

        #  Display the From and Subject
        print oldestEmail.fromAddress() + "\n";
        print oldestEmail.subject() + "\n";

        print "--" + "\n";

    end

    #  The newest email is at sequence number N:

    # newestEmail is a CkEmail
    newestEmail = imap.FetchSingle(n,isUid)
    if (!(newestEmail == nil ))

        #  Display the From and Subject
        print newestEmail.fromAddress() + "\n";
        print newestEmail.subject() + "\n";

    end

end

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