trying to figure out why mail is bouncing

[Joshua S. Freeman]

would someone kindly let me know what changes I need to make to my host
file in order to fix this?

J.


On 31 Oct 2003, Bruce Dawson wrote:

> On Fri, 2003-10-31 at 08:45, Kenneth E. Lussier wrote:
> > On Fri, 2003-10-31 at 08:22, Joshua S. Freeman wrote:
> > > alright, but why is it also bouncing when sent using my own smtp server
> > > which, afaik, is not blacklisted anywhere...
> > > > >    ----- The following addresses had permanent fatal errors -----
> > > > > <deanna.jackson3 at verizon.net>
> > > > >
> > > > >    ----- Transcript of session follows -----
> > > > > ... while talking to relay.verizon.net.:
> > > > > >>> MAIL From:<jfreeman at threeofus.com> SIZE=456
> > > > > <<< 550 You are not allowed to send mail:sc019.verizon.net
> > > > > 554 <deanna.jackson3 at verizon.net>... Service unavailable
> > > > > ----
> > I just did an nslookup on the MX record for your domain, threeofus.com.
> > I got the IP address of mail.threeofus.com. When I did a lookup on the
> > IP address, I got an NXDOMAIN error. There is apparently no reversae
> > lookup for your mail server. Some people configure their mail servers to
> > only accept mail from servers that can be reversed. I recently had the
> > same problem at work when our ISP mysteriously pointed reverse lookups
> > to the wrong place.
>
> Bingo. The above will certainly trigger a lot of denials.
>
> > This, plus optonline being a spammers haven may explain everything.
>
>

-- 
------
Joshua S. Freeman
jfreeman at threeofus.com