Content Filtering Server Wide
Idea shared by Paul White - 2/14/2015 at 10:11 AM
Proposed
I have recently had issues with a specific spammer, who uses a different IP each time and within a few hours blasts my mail server with spam.  Grey listing does no good.  Unlike most spammers don't get through on the first try and give up, this guy just hammers it for hours.  The result is I usually get about 2 - 3 copies of each spam message.  They push the same BS.  RachaelRay, Oprah, Cigars, IPhone tracker, ect....  I have noticed that their return email and from email often has those keywords in there.  So I have setup a content filter on my email address that looks for a deletes those messages.  But this doesn't help the othe 200 email account running on my server.  What I need is the ability to content filter the entire Server and not just my email box.  What would be even better is to have a rule that reads the from email address during the SMTP connection and blacklist the IP immediately.  Maybe even allow me to fire a script on my server that will add that IP to my firewall.  Spammers are getting smarter, and we need better tools to fight the issue.
WhiteSites.com
Blog.whitesites.com

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There is domain-wide filtering in SM, under Domain Settings/Filtering. Is this helpful? BTW we have the same (1st+Last) name in Spanish or other Latin-based languages. And my son-in-law has your name as well (Paul White), and I'm sure you're not him. -Pablo Blanco
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Nope I am not him. But still kind of cool we have the same name. The domain settings, is great for a single domain, but I was working for a settings that would apply that to every domain on the server. Its ok I came up with my own solution. I wrote a script that checks the SMTP logs every 3 minutes. If it finds any lines with keywords that I have deemed likely to be spam, it then takes the IP of the connection and adds it to my fire wall. Thus far this has been a 100% perfect solution. I also have greylisting enabled, which delays all messages by 5 minutesa. This ensures that my script is able to reach the logs before the spammer returns to try again. I wish Smartermail would provide some kind of feature to automate this, rather than rolling your own script to get it done.
WhiteSites.com
Blog.whitesites.com
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damn, stumbled upon this and was hoping for a server-wide solution... I can't feesibly set a filter on each domain level

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