Blacklist Removal Request
I need a solution Hi,We found out that one of our server ip addresses is on your list.We had an issue with one client on december (his email account was used to send spam) but this issue was fixed...
View ArticleUnable to email clients using Symantec email security
I need a solution Hi there, For the last week now we have a client who is unable to email anyone that uses Symantec Email Security. They constantly get the below message -:550 5.0.350 Remote server...
View ArticleCan't receive emails from clients using symantec
I need a solution Hi, For nearly 1/2 year now, we've been unable to receive emails from clients using higher-levels of symantec security. We had an issue last year with an infected machine that...
View ArticleReturned '400 4.4.7 Message delayed' from MessageLabs.com
I need a solution When we send emails to many customers who are using Symantec's service, we receive refunds, such as供管理员使用的诊断信息:生成服务器: CDSSRVDCEX02.hkdc.cds-net.com接收服务器: cluster5a.eu.messagelabs.com...
View ArticleMy client can't receive email from us.
I need a solution Dear Support Symantec.Our client using messagelabs the statuses was 2.5.0 OK but our client doesn't receive the email. Can you help to check? We using relay from mailchannels. They...
View Articleone of our domains is being email bombed by messagelabs daily
I need a solution For the last week daily from 4PM-5PM PST our mail server has been bombed by 10-15K emails, all being sent from messagelabs.com mail servers, namely mail2.bemta23.messagelabs.com and...
View ArticleRemote Server returned '< #5.4.7 smtp; 554 5.4.7 [internal] exceeded max time...
I need a solution I am receiving Time out NDRs, but only if they hit one of the "eu-west-1.aws.symcld.net" servers... but if they go through one of the " eu-central-1.aws.symcld.net" servers they are...
View Article553 you are trying to use me as a relay
I need a solution Hi,We have all inbound mail being routed through MessageLabs, then to our Office365 tenant.All email is being delivered OK except for a specific circumstance.Our domain is...
View ArticleBlacklist removal
I need a solution Hi, please can you helpWe are having issues emailing our customers that use Symantec.cloud.Not always, but quite oftlen we receive the response...cluster5.eu.messagelabs.com...
View ArticleUse SPF in Dashboard > Services > Email Services > Anti-Spam not working
I need a solution Hello,I have this checkbox enabled for one of my domains and have sent myself gmail spoofed email on purpose to generate an SPF error, but the spam filter just passes it through....
View ArticleUnable to Send Email
I need a solution Attepts to send email to aramark.com domain fail with error: "The server has tried to deliver this message, without success, and has stopped trying. Please try sending this message...
View ArticleEmails not getting through to MessageLabs clients; 250 response, no bounce
I need a solution For the last few months, emails from our users have not been getting through to MessageLab mailboxes. Messages are all DKIM signed, and we have checked the SPF records are valid. No...
View ArticleMessages Accepted by MessageLabs but not recieved by client
I need a solution I have noticed that customers attempting to email users on the Symantec message labs platform have their emails apparently accepted by eu2.messagelabs.com but they do not show up in...
View ArticleUnable to Send Email to Certain Domains
I need a solution Hi Support,Currently our domain is unable to send any emails to all domains administrered by Message Labs. We receive a bounce back email saying it was blocked due to message...
View ArticleEmails being blocked by Symantec filtering
I need a solution HiWe are having emails from our company domain blocked by several other companies using Symantec cloud - Error 553 - message filtered. We are sending emails through GmailI have...
View Articlemessagelabs.com blocking our mail
I need a solution Can anyone help me? Messages to tgasourcing.com and kasasia.com are blocked by messagelabs.What can I do to unblock it.I would appreciate it if someone could investigate this...
View Article421 Service Temporarily unavailable
I need a solution Same issue I am seeing on other threads, but with no answer. Emails stuck in queue with 421 service temporarily unavailable. 1) Emailed investigation@review.symantec.com and their...
View ArticleMessageLabs Passive Screening causing false positives on click through
I need a solution We have several customers that receive emails from various sources that require tracking of clicked URL's by end users.These domains and IP's were whitelisted and everything worked...
View ArticleTLS support on secondary MX server
I need a solution We are running verifications on our domain to show that our email is encrypted. Checktls.com (and others) is showing our domains are not secure due to the secondary Mx record not...
View Articleemail bounce back 533 error even we do not use messagelab at all
I need a solution Our postfix in ubuntu server sends emails to our own abc.com domain. We do not use any symantec messagelab service at all. the DNS used is google 8.8.8.8For the past few days, we...
View Article