On Tue, Nov 13, 2007 at 04:29:13PM +0900, John Summerfield wrote: > Tim wrote: >> On Mon, 2007-11-12 at 19:24 +0000, Chris G wrote: >>> Ah, I'm beginning to understand, mail to 'chris' and 'root' works, but >>> sendmail would appear to add a hostname to what's sent by an MUA and >>> anything with a hostname after the username is sent out, which doesn't >>> work. >> Hmm, this sounds familiar. Somewhere along the line of setting up >> networking on one of my boxes, it got a FQDN set where there should just >> be a hostname. Then sendmail was adding the domain name onto the end of >> that. Naturally, this didn't work. And I got some peculiar error >> messages. >> e.g. What happened: >> my intended hostname: machine >> my intended domain name: example.com >> actual hostname: machine.example.com >> actual domain name: example.com >> Services making up a FQDN from the given information, came up >> with: machine.example.com.example.com > > I haven't seen any evidence that that's happening to Chris; sendmail seems > to have the correct idea of its own name, but for some reason it's not > delivering mail to itself when Chris thinks it should. > > Running sendmail with magic incantations involving -d will probably tell > Chris what it's doing. I've used it, and despite the current man-page's > assertion I did not read the source code to find what to do. I think > they're documented in the sendmail-doc package. I found them in a book by > Paul Vixie, but that book's not where I am, and it is now very old. > I've got the O'Reilly "Sendmail" book, I got it some years ago when I was more involved in such things. It might throw some light on this issue. However it does feel distinctly like overkill when all I want is mail delivery within a single system! :-) It may well be of course that a trivial sendmail.mc/sendmail.cf will do what I want, it's obvious that most of the contents of these files are totally irrelevant to local mail delivery. -- Chris Green