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    I need a solution

    cluster5.eu.messagelabs.com at 85.158.138.179 is refusing to talk to one of my SMTP servers at 23.239.151.125. When my server connects, cluster5 immediately responds with:

    501 Connection rejected by policy [7.7] 18806, please visit www.messagelabs.com/support for more details about this error message.

    This is instead of the initial greeting, before even HELO/EHLO has been issued.

    No spam is being sent through 23.239.151.125 and it is clean according to all RBLs that I'm aware of.

    Please investigate / unblock.

    Thank you,
    Lennart Lövstrand

    BTW, the URL in the response just redirects to https://www.symantec.com/products/endpoint-hybrid-... and is unfortuantely of no help. I think many of us would appreciate it if you could update it to something more meaningful. Thanks.

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    I need a solution

    Hi,

    We recently noticed that emails from our IP are getting rejected by message labs content filtering.

    We are receiving the following error:

    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:

      prathap.rajasekaram@sc.com
        host cluster4.us.messagelabs.com [216.82.242.179]
        SMTP error from remote mail server after initial connection:
        501 Connection rejected by policy [7.7] 8607, please visit www.messagelabs.com/support for more details about this error message.

    We also checked our IP against your blacklist checker at http://ipremoval.sms.symantec.com/lookup/ and it says that our IP doesnt have a negative reputation.

    Can you please check on this and rectify the issue please?

    Our IP address is 69.175.61.34

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    I need a solution
    We are having trouble with emails from our domain being sent to and received from Symantec customers.
     
    We have investigated internally and have found nothing that should result in our domain being blocked.
     
    I have also raised support tickets with Google as we use G Suite to manage our emails. 
     
    Google has advised me that as they use dynamic IP's that can not be the issue. They also advise that our emails are authenticating properly and that 'we are doing everything right'.
     
    We have not made any changes recently to our set up and it is very important to us that we find out what has caused this to happen, how to fix it and how to prevent it from happening again.
     
    The error message we receive:
     
    Message not delivered
     
    There was a problem delivering your message to xxxxxxxxx. See the technical details below.
     
    553 Message filtered. Refer to the Troubleshooting page at http://www.symanteccloud.com/troubleshooting for more information. (#5.7.1)
     
    I have emaled and called Symantec support but as I am not a Symantec customer they have directed me to these forums.
     
    It would seem that the problem is very similar to this old thread https://www.symantec.com/connect/forums/emails-being-blocked-symantec-cloud-need-help-resolving as we have experienced some success sending emails with all links and references to our domain removed from the email footer.
     
    Hopefully there is an easy solution?
     
    Thanks
     
    Andrew
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    0 0

    I need a solution

    Buenos días, Hace unas semanas nos mudamos a un nuevo servidor y estamos presentando este problema desde entonces, hemos realizado pruebas para verificar las políticas DMARC, DKIM, SPF y todo parece estar correcto, al igual que hemos buscado en listas negras utilizando la herramienta que provee mxtoolbox.com

    Quedamos atentos a su respuesta. -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------

    3C4983322020 9959 Tue Oct 24 08:07:49 @agroserag.com (connect to cluster1.us.messagelabs.com[216.82.249.211]:25: Connection timed out) @btgpactual.com

    32D1A332202F 97266 Wed Oct 25 09:55:55 @agroserag.com (connect to cluster6.us.messagelabs.com[216.82.241.100]:25: Connection timed out) @mccain.com.co

    15864332202B 9330 Mon Oct 23 15:43:04 @agroserag.com (connect to cluster1.us.messagelabs.com[216.82.249.179]:25: Connection timed out) @btgpactual.com

    17A5B332202D 10982 Tue Oct 24 14:37:37 @agroserag.com (connect to cluster1.us.messagelabs.com[216.82.249.179]:25: Connection timed out) @btgpactual.com

    649A93321FF9 10579 Tue Oct 24 17:41:43 @agroserag.com (connect to cluster1.us.messagelabs.com[216.82.241.131]:25: Connection timed out) @btgpactual.com

    674CF3322014 9687 Tue Oct 24 19:04:52 @agroserag.com (connect to cluster1.us.messagelabs.com[216.82.242.44]:25: Connection timed out) @btgpactual.com

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    0 0

    I need a solution

    A vendor attempting to mail one of our users for a password reset is getting repeated "421 Service Temporarily Unavailable" error messages.  

    Text is:

               host cluster6a.us.messagelabs.com [216.82.253.230] said:  421 Service Temporarily Unavailable (in reply to RCPT TO command)

               host cluster6a.us.messagelabs.com [85.158.139.103] said:  421 Service Temporarily Unavailable (in reply to RCPT TO command)

    Other mail from the vendor (e.g. not its password reset type account) is coming through correctly.   

    There's some additional info in a very tiny text snip that the vendor sent to us, hope the attachment comes through correctly.

    I would normally temporarily put the internal user account involved on the whitelist but the message does concern me.  

    I found a previous post on this forum that said that the host involved was throttled and un-throttling it solved the problem.   Could someone please investigate this and advise on next steps?

    Thanks!

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    0 0

    I need a solution

    Hello,

    I have problen to send mail to customers using the solution symantec, my zimbra recive 

    cluster2a.eu.messagelabs.com[85.158.139.103]:25: Connection timed out

    cluster2a.eu.messagelabs.com[216.82.251.230]:25: Connection timed out

    My ip 187.103.250.29 don't  listed on any blacklist.

    Thanks,

    Marcos Carraro.

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    0 0

    I need a solution

    Hi,

    Over the past couple of days, we have been experiencing issues with some of our customers who use Messagelabs, they are unable to receive our emails resulting in a 553 Message filtered error.

    We've run every concievable check on our Office 365 infrastructure and can find no issues, we are not blacklisted, we have DKIM and SPF, both of which pass all tests.

    Could someone reach out to me so we can try and determine the cause of this filtering and get it resolved?

    Best Regards

    Chris Priest

    Gresham Technologies

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    0 0

    I need a solution

    Greetings.

    ​One of our mailservers - 78.129.218.28 - is blocked at your firewall (according to tests we have conducted).

    It has *NO* poor reputation and it is not listed on any blacklists so far as we can see.

    Since this is damaging our business (due to the inability to send legitimate emails to our contacts) we would appreciate your attention to the matter.

    Thanks!

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    0 0

    I need a solution

    Hello,

    It looks like some of our employees have trouble to send mails from our domain to Symantec customers.Our provider uses two mail servers (mx1.saas.lu and mx2.saas.lu) which are not blacklisted on the known listings.

    The user forwarded me the following message:

    Diagnostic information for administrators:
    Generating server: mx1.saas.luxxxxx.xxxxx@xxxxxx.com
    cluster5.eu.messagelabs.com #<cluster5.eu.messagelabs.com #5.1.0 SMTP; 553-Message filtered. Refer to the Troubleshooting page at> #SMTP# xxxxx.xxxxx@xxxxxx.com cluster5.eu.messagelabs.com #<cluster5.eu.messagelabs.com #5.1.0 SMTP; 553-Message filtered. Refer to the Troubleshooting page at> #SMTP# Original message headers:
    
    Return-Path: <prvs=14691e541b=Our.Employee@luxconnect.lu>
    
    Received: from L1VWPIEXCLCO01.luxconnect.int ([10.16.25.12]) by mx1.saas.lu
    
    (8.14.7/8.14.7) with ESMTP id v9N89O6O007756 (version=TLSv1/SSLv3
    
    cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL);    Mon, 23 Oct 2017 10:09:24
    
    +0200
    
    Received: from L1VWPIEXCLCO01.luxconnect.int ([172.22.106.12]) by
    
    L1VWPIEXCLCO01.luxconnect.int ([172.22.106.12]) with mapi id 14.03.0195.001;
    
    Mon, 23 Oct 2017 10:09:23 +0200
    
    From: Our Employee <Our.Employee@luxconnect.lu>
    
    To: 'xxxxx.xxxxx@xxxxxx.com'<xxxxx.xxxxx@xxxxxx.com>,'yyyyyy.yyyyyy@yyyyyy.com'<yyyyyy.yyyyyy@yyyyyy.com>
    
    Subject: LuxConnect multi-tier co-location data centres, update
    
    Thread-Topic: LuxConnect multi-tier co-location data centres, update
    
    Thread-Index: AQHTS9XDraezt12LAE6t4owheuOrtA==
    
    Disposition-Notification-To: Our Employee <Our.Employee@luxconnect.lu>
    
    Return-Receipt-To: <Our.Employee@luxconnect.lu>
    
    Date: Mon, 23 Oct 2017 08:09:22 +0000
    
    Message-ID: <7C02B0B966545E42B7582C7224CCD6C3C38CFB31@L1VWPIEXCLCO01.luxconnect.int>
    
    Accept-Language: en-GB, en-US
    
    Content-Language: en-GB
    
    X-MS-Has-Attach:
    
    X-MS-TNEF-Correlator:
    
    x-originating-ip: [192.168.235.51]
    
    Content-Type: multipart/alternative;
    
            boundary='_000_7C02B0B966545E42B7582C7224CCD6C3C38CFB31L1VWPIEXCLCO01l_'
    
    MIME-Version: 1.0
    
    x-msw-jemd-newsletter: false

    Could you please tell me why we are filtered and what we can do to pass through your filters. Do you need any further information to investigate?

    I've already send the same informations to investigation@review.symantec.com on the 26 of October but I didnr' get any answer untill now.

    Thanks,

    Gilles

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  • 11/03/17--14:56: Users and Groups
  • I need a solution

    Hello:

    We have 20000 account in O365 with same domain. Can we protect just a few (ie: 1000)?

    Thank you,

    0

    0 0

    I need a solution

    Yesterday we moved our mailserver to IP 217.182.8.243 from 178.32.60.149.  Since this we're not able able to send mail to our partners who use messagelabs.  From our server we get:

    ~# telnet cluster4a.us.messagelabs.com 25
    Trying 216.82.251.230...
    telnet: Unable to connect to remote host: Connection timed out

    Telnet works fine from other IPs.  I looked at http://ipremoval.sms.symantec.com/lookup/ and am told "The IP address you submitted, 217.182.8.243, does not have a negative reputation and therefore cannot be submitted for investigation."

    Please advise

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    0 0
  • 11/07/17--07:34: More Messagelabs
  • I need a solution

    server-6.tower-55.messagelabs.com gave this error: Message filtered. Refer to the Troubleshooting page at http://www.symanteccloud.com/troubleshooting for more information. (#5.7.1) A problem occurred during the delivery of this message to this e-mail address. Try sending this message again. If the problem continues, please contact your helpdesk.

    server-6.tower-55.messagelabs.com #553-Message filtered. Refer to the Troubleshooting page at 553-http://www.symanteccloud.com/troubleshooting for more 553 information. (#5.7.1) ##

    Can you please assist me in resolving this. Thanks.

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    0 0

    I need a solution

    Email transmission can't be completed from our mail server [210.135.65.21].

    --------------------

    connect to cluster1.us.messagelabs.com[216.82.249.179]: Operation timed out (port 25)

    connect to cluster4.us.messagelabs.com[216.82.251.34]: Operation timed out (port 25)

    connect to cluster6out.us.messagelabs.com[216.82.251.38]: Operation timed out (port 25)

    --------------------

    I checked this IP by Symantec blocklist "http://ipremoval.sms.symantec.com/lookup/",

    but does not have a negative reputation.

    How can this problem be resolved?

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    0 0

    I need a solution

    Hi all,

    I search for this information in the Web pages of Symantec, but I cann't find it. I need to know what type of encryption is used  under the Data Protection results, after the email was encrypted.

    This information is necessary for compliance with the company.

    What Algorithms are used AES-256, PGP, SHA-2?

    What version of TLS is used, 1.2?

    Regards,

    Carlos

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    0 0

    I need a solution

    I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

    For further assistance, please send mail to postmaster.

    If you do so, please include this problem report. You can delete your own text from the attached returned message.

        cluster2a.eu.messagelabs.com[85.158.139.103]:25: Connection timed out

        cluster2a.eu.messagelabs.com[85.158.139.103]:25: Connection timed out

        mail163.messagelabs.com[216.82.251.38]:25: Connection timed out

    I checked my IP in Symantec blocklist "http://ipremoval.sms.symantec.com/lookup/",

    but does not have a negative reputation.

    How can this problem be resolved?

    0

    0 0

    I need a solution

    I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

    For further assistance, please send mail to postmaster.

    If you do so, please include this problem report. You can delete your own text from the attached returned message.

        cluster2a.eu.messagelabs.com[85.158.139.103]:25: Connection timed out

        cluster2a.eu.messagelabs.com[85.158.139.103]:25: Connection timed out

        mail163.messagelabs.com[216.82.251.38]:25: Connection timed out

    I checked my IP in Symantec blocklist "http://ipremoval.sms.symantec.com/lookup/",

    but does not have a negative reputation.

    How can this problem be resolved?

    0

    0 0

    I need a solution

    Hi,

    We are sending email to domains using message.labs for their email filters, and our emails are being delayed when sending to these addresses:

    Our IP Address: 64.34.159.20

    Error message from logs:

    Nov 16 15:00:13 web02 postfix/smtp[32198]: E597E35460D0: to=<focwty@ford.com>, relay=none, delay=150, delays=0.12/0/150/0, dsn=4.4.1, status=deferred (connect to cluster4a.us.messagelabs.com[216.82.251.230]:25: Connection timed out)
    Nov 16 15:08:25 web02 postfix/smtp[2366]: E597E35460D0: to=<focwty@ford.com>, relay=none, delay=642, delays=492/0.01/150/0, dsn=4.4.1, status=deferred (connect to cluster4a.us.messagelabs.com[216.82.251.230]:25: Connection timed out)

    Can we be removed frrom your blocklist, as we are sending out legitamite emails to these clients, and are not on any RBLs

    Thank You

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    0 0

    I need a solution

    Hi,

    It was reported that emails sent to some clients weren't delivered on time, sometimes with a delay of a day after it was sent.

    ​I asked to support team of our mail server to check what could be happening and and was told that emails delivered to domains on messagelabs servers probably are being rejected.

    ​When trying to telnet port 25 to cluster6.eu.messagelabs.com ​for exemple, sometimes there's no response, same as other servers from messagelabs.com.

    There's no problem with IP using http://ipremoval.sms.symantec.com/​.

    Can you check with your servers if there's issues with our IP??

    Thanks

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    I do not need a solution (just sharing information)

    Symantec Support is introducing a comprehensive set of self-help resources called Support 101.

    Support 101 is designed to help you with the most common questions or issues when configuring and managing Email Security.cloud, or when troubleshooting spam and email delivery issues.

    Topics for Email Security.cloud include:

    Visit the Email Security.cloud support page for more support resources at https://support.symantec.com/en_US/email-security-cloud.html.

    Feedback

    We value your opinion. If you have any feedback for improving the knowledge base, please let us know by replying directly to this thread.

    You can also suggest improvements within individual knowledge base articles by clicking "Did this article resolve your issue?" Your feedback is then reviewed and acted upon by our support agents as part of a regular review process.

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  • 11/19/17--20:31: Connection timed out
  • I need a solution

    To support,

    I am running a linux mail server and I got error message when we send email to some of the customer .   Those customer is using your mail filtering service .   Error message is

    connect to cluster4a.us.messagelabs.com[216.82.251.230]:25: Connection timed out

    Our server ip is 218.213.150.105

    Please help to check and release our ip for blocking.

    regards,

    Michael

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