On Friday 14 November 2003 03:52, Joe Polk wrote: > Well, I know that if you don't have a reverse DNS entry that many > will reject mail from you. I thought from your original post that you > did. The "www" maybe a flag for them. Many broadband providers, for > instance, will give you a static but on their DNS the IP resolves to > user1.dsl.someISP.com or something. You can, however, use your ISP's > smtp server as a smart host and avoid such problems as rejections > like this. Because you are part of your ISP's network, it's smtp > server will relay for you because to it you are local. So set your > sendmail to forward all outbound mail to smtp.yourisp.com and then > test your mail. This works for my setup. > > <<JAV>> > > ---------- Original Message ----------- > From: Paul Gillen <gillen1951@xxxxxxxxx> > To: Red Hat User List <redhat-list@xxxxxxxxxx> > Sent: Thu, 13 Nov 2003 18:57:11 -0800 (PST) > Subject: Fwd: Re: Mail error: reason: 550 5.0.0 You must use a valid > mail server > > > I'm pretty sure that you're right, that RedHat is > > rejecting this as a spam check, i.e. that the mailing > > host should be resolvable as the message origin. My > > problem is that, as far as I can see, it is. > > > > Depending upon what set of settings I use other mail > > works from fitfully to pretty good. (And believe me, > > I've tried a lot of settings.) > > > > =Paul= > > > > __________________________________ > > Do you Yahoo!? > > Protect your identity with Yahoo! Mail AddressGuard > > http://antispam.yahoo.com/whatsnewfree > > ------- End of Original Message ------- Did I miss the answer to Joe's question; "Does mail to anywhere else work?" The reason I ask is that I seem to remember that you're using Earthlink and I know that at one time they blocked all port 25 traffic unless it was via their mail servers. Regards, Mike Klinke -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list