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クラウドコンピューティング

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updated discussion 21 Oct 2017
We’re having issue delivering to at least some accounts using MessageLabs filtering. We have recently switched IPs when hosting moved our server, but have maintained a positive reputation and do not appear on any blacklists. Example failed response - The mail system : host cluster4a.us.messagelabs.com[85.158.139.103] said: 421 Service Temporarily Unavailable (in reply to RCPT TO ...
updated discussion 19 Oct 2017
Hi, But this is not the only messagelabs server that would give me this error, and we have this problem with a lot of clients. Sometimes the emails are delivered in 30 minutes, sometimes after 20 hours , and a lot of times the emails will be dropped. My ip is 67.211.124.64 Please let me know if my ip is blacklisted somewhere by messagelabs, we have this problem for more than 6 months. Thank ...
updated discussion 19 Oct 2017
Hi, My user has been experiencing multiple failures on sending email to mail servers that are being filtered by messagelabs (Symantec). I have ran query from multiple SPAM db host (mxtoolbox, Symantec). From the query, there is no list that points us as malicious nor error. Therefor, I've pasted the error that we were getting below for your attention/action: Diagnostic information for ...
updated discussion 19 Oct 2017
Hi, My user has been experiencing multiple failures on sending email to mail servers that are being filtered by messagelabs (Symantec). I have ran query from multiple SPAM db host (mxtoolbox, Symantec). From the query, there is no list that points us as malicious nor error. Therefor, I've pasted the error that we were getting below for your attention/action: Diagnostic information for ...
updated discussion 19 Oct 2017
Hi, We've been getting error messages such as the below for most of today. Could someone investigate please? 2017-10-19T10:15:10.750188+01:00 lonrms01 postfix/smtp[12353]: [info] F267A7200F0: host cluster3.eu.messagelabs.com[194.106.220.35] refused to talk to me: 450 Requested action aborted [7.2] 9110, please visit www.messagelabs.com/support for more details about this error ...
new discussion 18 Oct 2017
Hello, we can not send e-mails to messagelabs customers because we get a connection time out: telnet cluster8.eu.messagelabs.com 25 Trying 85.158.139.19... Trying 85.158.137.19... Trying 85.158.139.51... Trying 85.158.140.195... Trying 85.158.139.35... Trying 85.158.140.211... telnet: Unable to connect to remote host: Connection timed out Our other server can connect: telnet ...

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