keat63
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Recent activity by keat63-
possible SYN flooding
Any idea what this is please. kernel: [10718182.340062] possible SYN flooding on port 53. Sending cookies. Out of the blue it started over the weekend. Thinking it might be something to do with ...
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Blacklisted by cloudmark
I have a dedicated server, with only my company using it. I've a very strict spam policy. I employ DKIM, SPF and DMARC. It seems that for whatever reason, cloudmark have blacklisted my IP. I'm not...
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Failed FTP login but Host Access Control configured to block
I have Host Access Control to block unauthorised login attempts. There are only a very small handful of IP allowed access to FTP. However, this morning I see these in my log files pure-ftpd: (?@12...
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MYSQL timezone support
I'm seeing some PHP errors on one of my web sites. The coding guys are telling me that my server doesn't support MYSQL time zones. The server time is correct, and I can see its configured for the c...
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How did this email get delivered?
Any ideas how this got delievered. It has no from addres, and an incomplete reply to address. Although my spam filters pulled it, how did the server accept it in the first place ? How did it even ...
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mailscanner suspcious process.
Any thoughts why mailscanner would start echoing these errors. Only just started recently, probably since upadating to 8.0.14 late last week. /usr/local/cpanel/3rdparty/perl/528/bin/perl Comman...
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Remote MacOS user unable to retrieve emails
I just had a call from a remote Imac user, couldn't retrieve his emails. I had to disable ssl and use insecure password authentication on his device to get connected. This must be related to me upd...
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email processing order
I'm trying to kill of a bot of sorts spamming an email account that doesn't exist. The email account hasn't existed for 10 years or more, but i'm receiving an email for him every 1 minute. Looks li...
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Kernel Panic - Boot up Stalled
I ran some updates this evening. After rebooting the server, it failed to restart. Luckily, my data centre quickly figured that it what he called a Kernel panic. He restored the previous Kernel, a...
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Server flagging email attachments as winmail.dat
I had users complaining that my internal firewall was stripping out file attachments from emails. When I checked, these files were winmail.dat. Looking in CSF Mailscanner to see what they actually...