501 Connection rejected by policy [7.7]
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...
View ArticleCannot send emails to messagelabs customers
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...
View ArticleMessage not delivered : 553 Message filtered
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...
View ArticleProblemas de conexión a messagelabs.com
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,...
View Article421 Service Temporarily Unavailable
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...
View Articlecluster2a.eu.messagelabs.com "Connection timed out"
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...
View ArticleEmails from our company to our customers are getting a 553 Message Filtered...
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...
View ArticleServer blocked at your firewall
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...
View ArticleMessage not delivered : 553 Message filtered
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...
View ArticleUsers 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
View ArticleIssues sending mail to messagelabs
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:~#...
View ArticleMore 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)...
View ArticleOperation timed out from messagelabs.com
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...
View ArticleType of security used in email.cloud Data Proetection
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...
View ArticleProblem timed out from messagelabs.com
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...
View ArticleProblem timed out from messagelabs.com
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...
View ArticleMessages being deferred; Is our Server on Blacklist
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: 64.34.159.20Error...
View ArticleTrouble delivering emails to Messagelabs (Symantec) servers.
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...
View ArticleNew self-help resources for Email Security.cloud
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...
View ArticleConnection 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...
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