FYI, this is not a Barracuda spam filter error, but a third party mail
server/filter using the barracudacentral.org rbl's in their spam
filtering. So all bets are off as to where the issue is.
The 'user' of the Barracuda RBL's is susposed to register their DNS
server IP addresses with Barracuda. It would not surprise me if
Barracuda blocked what they consider high traffic levels from an
un-registered DNS server.
Lyle Giese
LCR Computer Services, Inc.
On 1/21/2016 6:26 AM, David Hofstee wrote:
Hi,
Does Barracuda have issues? I get a lot of spurious bounces, since the
13^th , that state (and this is just one example):
/… Client host [46.31.52.7] blocked using b.barracudacentral.org/
Needless to say: My IPs are not listed as having a ‘poor’ reputation
(and the exact same mailservers accept mails from the same IP only
minutes before and after to the exact same domain). I thought it was
just some DNS issues at a location we send to, but it persists at many
networks. It also cannot easily be explained by a ‘tight’ spamfilter
setting on a domain. So there seem to be some technical issues. The
question is: Where is the issue (Barracuda, its software, DNS, …)? Do
others have the same?
Comments are appreciated.
Met vriendelijke groet,
David Hofstee
Deliverability Management
MailPlus B.V. Netherlands
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