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Channel: Symantec Connect - Email Security.cloud - Discussions
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Symantec Blocking Entire IP Ranges But No Spam

I need a solution I own a small hosting comapny and I have noticed that our sending ip is constantly being blacklisted at http://ipremoval.sms.symantec.comApparently because of a showshoe attack. We...

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Blacklist Removal Request

I need a solution Can you please remove the following IP from your internal blacklist? 69.16.227.104I have verified the server is not sending spam and also performed maldet scans with no hits found....

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Connection timed out

I need a solution Hi, Our company is running a VDS server. Some of our customer's mail account have been hacked a few weeks ago and many spam has been sent from their account through our server.  The...

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Blackisted ?

I need a solution Hi,I have just sent and email to CLOUDfeedback@feedback-87.brightmail.com complete with attached 'bounced' email attached.We are unable to sent to multiple destinations. Can yo...

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ipremoval from Symantec blacklist (again)

I need a solution Dear sirsIt's almost a week that I found again every day our mail server listed in your blacklist with a bad reputation. Each day I request an investigation at...

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421 Service Temporarily Unavailable: retry timeout exceeded

I need a solution Hi,A client using my server for emails is having issues sending emails to a client using your service. The errors are:host cluster5a.us.messagelabs.com [216.82.251.230] SMTP error...

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Emails being blocked by symantec cloud - need IP removal

I need a solution Hi,We are receiving bounce back messages from a number of our business partners who appear to be using Symantec cloud.Server refused mail at END OF DATA - 553-Message filtered. Refer...

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Emails being blocked by Symantec cloud - need help resolving

I need a solution HiWe are having emails from our domain blocked by several other companies using Symantec cloud.Have checked the link provided by Symantec support but none of our MX records are...

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connect to cluster5.us.messagelabs.com[IP]:25: Connection refused

I need a solution Bonjour,j'ai un tout nouveau serveur de courriel et je recois ce message d'erreur suivant :connect to cluster5.us.messagelabs.com[216.82.242.131]:25: Connection refusedmon IP  est :...

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Emails from our domain being blocked by symanteccloud

I need a solution Hello,Since yesterday our users are reporting problems sending mails to some of our partners. All error messages bounced back inform the same:Detected error:550 5.0.350 Remote server...

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501 Connection rejected by policy [7.7]

I need a solution Could you please inform us about the reasons of blocking our IP address: mail.devart.com [5.79.86.80]? We got the following warning: Delivery Failure Could not deliver message to the...

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Connection rejected by policy [7.7]

I need a solution Hello,I'm one of those unlucky ones who has received this error and cannot understand the reason behind it. The mail system<Name.Surname@city.ac.uk>: host...

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Cannot send email to Symantec email clients

I need a solution We have several customers that use Symantec email services. We've been unable to send email to these customers for over a month. Our IP does not have a negative reputation. Any help...

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IP removal request from Symantec blacklist (not the only one I see!)

I need a solution Hi,Recently I have moved a website from a customer to a new VPS. Since then his mail get’s blocked because the IP is on your Symantec blacklist with the warning:The IP address...

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553 Message Filtered as well

I need a solution Hello  Having looked through the forum I can see that we are not alone in having this issue. As a company we have moved our email to Office365 and when sending emails to several of...

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553 Message Filtered

I need a solution HelloMy first post seems to have disappeared so I thought I would give it another go.My company has its mail servers on Office365 and when trying to mail customers, our emails are...

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Unreasonable "554 Spam Mail Refused" bounce

I need a solution We are unable to send emails to Email Security.cloud protected email address through our VPS - We are receiving "554 Spam Mail Refused" bounce.However, the VPS IP, 124.217.254.69, is...

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IP removal from symantec blacklist - snow shoe spamming

I need a solution My client hosts an uncompromised mailserver on 76.9.192.150. IP lookup on the Symantec page shows that the IP has a negative reputation: "The host has been observed sending spam in a...

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553 Message Filtered

I need a solution Hello,We are having emails from our domain are being blocked by several other companies using Symantec cloud.We already have sent an email to CLOUDfeedback@feedback-87.brightmail.com...

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IP Blocked

I need a solution I am getting the following message from our mail server:Could not connect to 'cluster9a.us.messagelabs.com(85.158.139.103)' (error 10060)Our IP address is 66.194.15.66 0 1489007692

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