We have considered DKIM support for a future release but...Many customers do not run Domino as your edge mail SMTP server? Most customers I've talked to use another mail gateway for external delivery of email so the DKIM/Sender ID support would be on that server.Please respond here if you do use Domino as your gateway SMTP server.Feedback response number RINM73CGEP created by Robert Ingram on 05/19/2007