I tried Imunify at beta/launch and wasn't impressed. We went with BitNinja for a few years and it worked well enough. It seemed to have pretty significant resource requirements despite a lot of the heavy lifting being done off network. We switched to Imunify360 a year or so back after seeing how polished it has become. It integrates well with cPanel (user management of scanning/etc.) and JetBackup (restoring... Source: about 1 year ago

Bitninja.io — Botnet protection through a blacklist, free plan only reports limited information on each attack. - Source: dev.to / almost 3 years ago

But when I am forced to give an email I give any name @ spamcop.net Real site that fights spam so I'm amused at the idea of a spammer contacting them directly. I wonder if any look at the address and figure out to NOT send spam there... Source: about 1 year ago

It's easy to spoof the email address of the sender. If you can get to the full-header version (SMTP) of the email, you can use spamcop.net to denounce (in-house) phish messages. They never explain that in the trainings, because it's too technical. Source: about 1 year ago

Then you sign up/use various spam listing services like zen.spamhaus.com and spamcop.net(?) to check each and every incoming email is not coming from a known spammer. Source: over 1 year ago

Forward the email source to https://spamcop.net? Source: almost 2 years ago

3rd part DNS Realtime Block Lists (www.spamhaus.org to name one). You can integrate your mail solution into them quite easily and allow them to provide a service the blocks known bad domains. You can stay on top of this and do you own with your own methods, but spamhaus.org or spamcop.net have services you can leverage. If you need something more robust, as others have mentioned, various vendors (barracuda for... Source: almost 2 years ago