Re: [cobalt-users] 501 Mail Error.

[flash22@xxxxxxx]

On Sun, 18 Jun 2000, Jimmy Gross wrote:
> Any idea on what this error means and how to fix it? I can send email to
> anyone except people in our domain: constantino.net.
> 
> Hi. This is the qmail-send program at phnxpop4.phnx.uswest.net.
> 
> I'm afraid I wasn't able to deliver your message to the following addresses.
> 
> This is a permanent error; I've given up. Sorry it didn't work out.
> 
> <jimmy@xxxxxxxxxxxxxxx>:
> 
> Connected to 207.254.34.194 but sender was rejected.
> 
> Remote host said: 501 <jimmy@xxxxxxxxxxxxxxx>... Sender domain must exist

weird, it should mean that phnxpop4.phnx.uswest.net didn't resolve
properly, but it seems to and even has working reverse dns....

interesting...that ip address had an open relay test done on it...
http://mail-abuse.org/rss/tests/206.80.192.4.txt

perhaps it's still blocked somewhere from earlier spam?

you didn't put it in a static config file somewhere did you ?