Verizon email problems
Bruce Dawson
jbd at codemeta.com
Tue Nov 11 16:49:06 EST 2003
On Tue, 2003-11-11 at 17:30, Ed Robbins wrote:
> Hey everyone,
>
> Joshua asked me to summarize my findings on his email problem. The lack
> of an MX record for the domain threeofus.com is what appears to be
> triggering it. To investigate I telneted to relay.verizon.net on port
> 25 did my greeting and then issued mail from:ed at erobbins.com. Lo and
> behold it was rejected with the same message that his wife was getting.
>
> Ok, I knew I had a valid mx entry so I went to my mail server and
> discovered that verizon attempted to send me email. Really what they
> where doing is going through the process until they receive the
> Recipient Ok message. It just so happens that I had a Level 3 spam
> filter running and it blocked verizon from getting this far. Aha!
>
> Ok, I fixed that and tried it again, but I had the same result...hmmm.
> I bet they blacklisted my address, I have found this to be a pretty
> typical thing that is done. Ok, onto my next attempt. I have several
> domains setup so I picked one and made sure everything was configured
> correctly and eureka! It worked.
>
> Now the question is, how long is my email address blacklisted for????
I suspect its not really blacklisted, but denied because of:
[jbd at bruce jbd]$ host edrobbins.com
edrobbins.com has address 216.21.229.209
[jbd at bruce jbd]$ host 216.21.229.209
Host 209.229.21.216.in-addr.arpa not found: 3(NXDOMAIN)
You too have no reverse DNS entry for your IP address.
BTW: I note that no one has commented on this. Are people in disbelief
that this could be the problem, or is it that no one is understanding
what I'm saying?
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