So some where in Canada a system that is using the barracuda software is
blocking you. It could be that barracuda as evaluated the emails you are
sending and decided it didn't like them for whatever reason. If that is the
case then following the link they provided and appealing the listing should
get you delisted. If it is just this 1 barracuda device then it might be
the administrator at that site that has blocked, and appealing via the link
they provide will probably do you no good. I know if I have to personally
block a site it is generally for good reason, and I am a very hard person to
convience to unblock one that I have manually blocked.
I don't get what you mean by "Somehow, it seems to be tracing beyond our
SMTP host, finding our firewall, and then refusing the connection:" The
barracuda device is not tracing to or past anything on your network and then
block the connection. All the barracuda device is doing is accepting your
inital connection, then most likely doing a Reverse DNS lookup of your IP
address and plugging in the fg400-1.calgaryzoo.ab.ca for the hostname, and
since the barracuda database has 12.15.29.130 listed as an address not to
allow message through for it kicks out the error 554 message. They are not
doing anything funny to try and get by smtp host or firewall.
-Mike
----- Original Message -----
From: <richardmccl...@aspca.org>
To: "NT System Admin Issues" <ntsysadmin@lyris.sunbelt-software.com>
Sent: Friday, April 17, 2009 10:27 AM
Subject: Barracuda stuff?
Greetings!
Our Notes server is on a private network behind a firewall. A year or two
ago, we found that spam filters were not able to get to our actual SMTP
server, so most mail (including hundreds of medical case records) was
bouncing. We contracted with Postini for hosted SMTP services...
Somewhere in Canada, there is a Barracuda system blocking us. Somehow, it
seems to be tracing beyond our SMTP host, finding our firewall, and then
refusing the connection:
"Error transferring to OUTBOUNDS5.GA.OBSMTP.COM; SMTP Protocol Returned a
Permanent Error 554 Service unavailable; Client host
[fg400-1.calgaryzoo.ab.ca] blocked using Barracuda Reputation;
http://bbl.barracudacentral.com/q.cgi?ip=12.15.29.130";
This error is unique to this institution, and it is "repeatable".
I have followed the link and then made my appeal through that web site,
but...???
--
Richard D. McClary
Systems Administrator, Information Technology Group
ASPCA®
1717 S. Philo Rd, Ste 36
Urbana, IL 61802
richardmccl...@aspca.org
P: 217-337-9761
C: 217-417-1182
F: 217-337-9761
www.aspca.org
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