Do you have the standard SL sendmail.mc and sendmail.cf files? If not, try them first. I do, and It Works For Me. On SL 4.x at least. Dan W. On Fri, Sep 28, 2007 at 03:05:24PM +1000, Michael Mansour wrote: > Hi, > > Sorry if this is way off topic, but I've spent the past few hours web > searching and trying different things for the following sendmail error: > > 554 5.7.1 To: and CC: are not filled > > which results when an email comes into the system where the sender has only > populated the "Bcc" field and not the "To" or "CC" fields. > > I don't want these messages rejected yet can't seem to find anyway within > sendmail to stop the rejection and allow the messages through. > > Any ideas what I should try to get this working? > > Thanks. > > Michael.