Receiving tons of spam emails
I have a VPS with more than 50 customers, and I found that all the customers receive tons of spam emails every minute. They are sending from several domains to a nonexistent email address.
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Hey there! If all of the messages are coming from the same IP or the same range you could block that in the server's firewall and that would keep the sender from being able to connect to the server at all. If they are always coming from the same domain(s) you could use the WHM >> Filter Incoming Emails by Domain tool to stop the emails there.
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cPRex I know this option, but unfortunately, they are coming from a different domain, country, IP address, and sender server. Here are some of the IP addresses:
60.11.20.130
171.247.190.66 >> dynamic-ip-adsl.viettel.vn
186.177.88.108
128.106.196.150
122.170.100.55
116.14.132.114 >> bb116-14-132-114.singnet.com.sg
166.143.153.1840 -
to a nonexistent email address
Possibly related to:
Email Dictionary Attack – cPanelDisabling the catchall email address would be a solution:
How-to configure the catchall email address – cPanel1 -
Already disabling the catchall emails, and I don't receive these spamming emails. I just don't want the server to record them in the (Track Delivery) Report.
Regarding this article: Email Dictionary Attack – cPanel
I did all the suggestions they talked about, but nothing worked.0 -
I don't have any better details to add than what is already mentioned in that thread. You may want to speak to your hosting provider to see if they can offer any other solutions, such as an external firewall with more advanced settings.
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I am also going through the same situation. I get a lot of spam mail and promotion mail daily even though I am not working on this mail. If you have any suggestions please share.
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