On 15/07/12 00:53, achal tomar wrote: > actually Viktor this signed by: header requires DKIM authentication so > when mails are sent from many servers on the same domain then their > signatures are different but having the same signed by: header means > that they are authenticated from a single domain and this do not > requires dkim to be set up in all the servers entry in a single server > is enough.
You still haven't said what the actual purpose is for you to use dkim. If you just want to be able to verify that the server that is relaying your emails is authorized to do so then SPF is much simpler and easier to set up for this purpose. Peter
