Author Topic: SMTP error from remote mail server after end of data : 550  (Read 238 times)

Offline Patwang

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SMTP error from remote mail server after end of data : 550
« on: September 18, 2020, 03:22:41 PM »
Hello!

I am a new user of Roundcube, which I access through Web Hosting Canada. Everything was fine and suddenly one email keeps bouncing back to me. I had recently sent previous messages to the same address of destination without any problem.

Here is the error that I get :

----

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:

  direction@vieuxtheatre.org
    host mx.cgocable.ca [66.226.82.201]
    SMTP error from remote mail server after end of data:
    550 5.7.1 A51A4925C3321 This message has been blocked for containing SPAM-like characteristics.
Reporting-MTA: dns; se2.web-dns1.com

Action: failed
Final-Recipient: rfc822;direction@vieuxtheatre.org
Status: 5.0.0
Remote-MTA: dns; mx.cgocable.ca
Diagnostic-Code: smtp; 550 5.7.1 A51A4925C3321 This message has been blocked for containing SPAM-like characteristics.

----


And here is the ISnotSPAM report details :




==========================================================
Summary of Results
==========================================================

SPF Check : pass
Sender-ID Check : pass
DKIM Check : pass
SpamAssassin Check : ham (non-spam)
==========================================================
Details:
==========================================================

HELO hostname: seout10.web-dns1.com
Source IP: 68.168.119.164
mail-from: contact@hoyi.ca
Anonymous To: ins-ub310lpo@isnotspam.com
---------------------------------------------------------
SPF check details:
----------------------------------------------------------

Result: pass
ID(s) verified: smtp.mail=contact@hoyi.ca
DNS record(s):
hoyi.ca. 14400 IN TXT "v=spf1 +a +mx +ip4:54.39.100.235 include:spf.web-dns1.com ~all"


----------------------------------------------------------
Sender-ID check details:
----------------------------------------------------------

Result: pass

ID(s) verified: smtp.mail=contact@hoyi.ca
DNS record(s):
hoyi.ca. 14400 IN TXT "v=spf1 +a +mx +ip4:54.39.100.235 include:spf.web-dns1.com ~all"


----------------------------------------------------------
DKIM check details:
----------------------------------------------------------

Result: pass
ID(s) verified: header.From=contact@hoyi.ca
Selector=default
domain=hoyi.ca
DomainKeys DNS Record=default._domainkey.hoyi.ca

----------------------------------------------------------
SpamAssassin check details:
----------------------------------------------------------
SpamAssassin 3.4.1 (2015-04-28)

Result: ham (non-spam) (02.6points, 10.0 required)

pts rule name description
---- ---------------------- -------------------------------


* 3.5 BAYES_99 BODY: Bayes spam probability is 99 to 100%
* [score: 1.0000]
* -1.0 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low
* trust
* [68.168.119.164 listed in list.dnswl.org]
* -0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4)
* [68.168.119.164 listed in wl.mailspike.net]
* 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked.
* See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block
* for more information.
* [URIs: hoyi.ca]
* -0.0 SPF_PASS SPF: sender matches SPF record
* 0.2 BAYES_999 BODY: Bayes spam probability is 99.9 to 100%
* [score: 1.0000]
* -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's
* domain
* 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily
* valid
* -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
* -0.0 RCVD_IN_MSPIKE_WL Mailspike good senders
X-Spam-Status: Yes, hits=2.6 required=-20.0 tests=BAYES_99,BAYES_999,
DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H4,
RCVD_IN_MSPIKE_WL,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no
version=3.4.0
X-Spam-Score: 2.6

To learn more about the terms used in the SpamAssassin report, please search
here: http://wiki.apache.org/spamassassin/

==========================================================
Explanation of the possible results (adapted from
draft-kucherawy-sender-auth-header-04.txt):
==========================================================

"pass"
the message passed the authentication test.

"fail"
the message failed the authentication test.

"softfail"
the message failed the authentication test, and the authentication
method has either an explicit or implicit policy which doesn't require
successful authentication of all messages from that domain.

"neutral"
the authentication method completed without errors, but was unable
to reach either a positive or a negative result about the message.

"temperror"
a temporary (recoverable) error occurred attempting to authenticate
the sender; either the process couldn't be completed locally, or
there was a temporary failure retrieving data required for the
authentication. A later retry may produce a more final result.

"permerror"
a permanent (unrecoverable) error occurred attempting to
authenticate the sender; either the process couldn't be completed
locally, or there was a permanent failure retrieving data required
for the authentication.
« Last Edit: September 18, 2020, 03:26:56 PM by Patwang »