ComputerCraft eMail server V2!

    -- This is the server code. For the client, go to http://pastebin.com/peCQzp0E
    print("Running eMail server")
    rednet.open("right")
    while true do
    id, message = rednet.receive()
    if fs.exists(id .. message) then
    mail = fs.open(id .. message, "r")
    print("Computer " .. id .. " read his mail number " .. message)
    readmail = mail.readAll()
    rednet.broadcast(readmail)
    mail.close()
    fs.delete(id)
    else if message == "sendmail" then
    id1, to = rednet.receive()
    a = 1
    while fs.exists(to .. a) do
    a = a + 1
    end
    mail = fs.open(to .. a, "w")
    mail.writeLine("From: " .. id)
    mail.writeLine("To: " .. to)
    id2, tm = rednet.receive()
    mail.write(tm)
    mail.close()
    print("Computer " .. id .. " sent Mail to " .. to)
    end
    end
    end