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550 5.7.1 [CS] Message blocked
Posted by on 11 May 2014 02:39 AM
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At Arvixe, we are constantly working on options which can provide better services to our clients. Emails from all our shared servers are routed through a filtering system known as mailchannels. It filters email in real time and prevents mail server blacklisting that can be more common on shared servers by blocking sending that appears to be unsolicited More information about mailchannels can be found in the below mentioned URL.
Mailchannels has algorithms in place which will analyze the messages and if found suspicious or unsolicited it is temporarily blocked. In that case you would receive a bounce back message with a Mailchannels Insights URL in it.
Please make a note that when you are using mail function the bounce back message will be sent to your default email account. So ensure you check it when you find email delivery has stopped from a script.
If mass mailing occurs you will get the following message.
550 5.7.1 [CSR] Account blocked.
The account will then need to be secured to stop the sending. After that has been done and the sending stopped the block will be lifted in 24 hours.
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 (19 vote(s)) Helpful Not helpful |
I get "550 5.7.1 [CS] Message blocked."
My Outlook is configured using:
SERVER.arvixe.com
POP3: SSL 995
SMTP: SSL 465
I was using mail.mydomain.com as my incoming and outgoing servers (which seemed to work fine until about two weeks ago). I don't know what changed but I need to get this working again especially on my mobile as I'm out of office a lot.
Error Type: SMTP
Remote server (54.244.120.220) issued an error.
hMailServer sent: .
Remote server replied: 550 5.7.1 [CS] Message blocked. To fix this, visit
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
[email protected]
SMTP error from remote mail server after end of data:
host productio-tcloadba-tkyjfaz4ap1l-328615543.us-west-2.elb.amazonaws.com [54.245.224.144]:
550 5.7.1 [CS] Message blocked. To fix this, visit http://fp.outboundfiltering.com/?str=0001.0A010203.5450DE0A.001B,ss=4,sh,re=0.000,recu=0.000,reip=0.000,cl=4,cld=1,fgs=8
------ This is a copy of the message, including all the headers. ------
Return-path: <[email protected]>
Received: from localhost ([::1]:45332 helo=echidna.arvixe.com)
by echidna.arvixe.com with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256)
(Exim 4.82)
(envelope-from <[email protected]>)
id 1XjX2A-00010L-1W
for [email protected]; Wed, 29 Oct 2014 10:27:46 -0700
Received: from 49.248.139.245 ([49.248.139.245]) by echidna.arvixe.com
(Horde Framework) with HTTP; Wed, 29 Oct 2014 17:27:45 +0000
Date: Wed, 29 Oct 2014 17:27:45 +0000
Message-ID: <[email protected]>
From: [email protected]
To: [email protected]
An additional issue is causing many problems. If you attempt to report spam that you are receiving to the originating networks they will be blocked. It doesn't matter that they are [email protected] email addresses and even [email protected] is blocked. The result is you receive huge and growing amounts of spam and you can't do anything about it.
This aside, I do not want my email policed and controlled at all and it absolutely shouldn't be.
if I reply including the original email content (necessary for tracking email conversations) the emails bounce back.
if I delete this in my reply the email is delivered without error.
This occurs only with one recipient company who say they are not using any such monitoring service.
The link in the bounce back email gives me no option to fill out any form or report a false positive.
What can I do? Did I lost my new personal email account?