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Here's an interesting way to reduce spam:http://www.joreybump.com/code/howto/nolisting.htmlSetting your primary MX to be something which does not accept email.I've also noticed that setting your firewall or IPS to reject packets which exceed their ad...
has anyone used the newish "unwanted bounce" prevention that is in 4.7?we have a few users who seem to get forged a lot and this looks like a useful feature. However, I'm keen to know if re-writing the envelope sender has caused anyone grief in the w...
Hi, Any Ironport AS users out there who want to talk about how effective it is? Especially compared to Brightmail. Currently Brightmail has picked up a bit - however it is getting creamed by the "fully unique text graphical stock dumping scam" spams...
Hi - are other people seeing two new types of spam which are currently evading Brightmail?The first is usually pushing stocks - it consists of a standard subject, a random haiku of words and a GIF image with a randomised filename. Despite getting hea...
The plugin also gives the end users something to do to vent their anger over spam (otherwise they contact the helpdesk demanding action).I've yet to see any actual change based on plugin usage - but it's a button people can press and they don't bothe...
depending on how your Ironport was configured you might be experiencing a queued spam effect from Senderbase throttling disreputable IP addresses.As soon as the domains are shifted back those IP addresses could offload their queued spam at full steam...
The Ironport seems to be scanning the files just fine - quickly picking up they are viral.Maybe check to see if the virus laden emails are coming internally - if they are - pull the plug on them.What's your overall message load on those Ironports? If...
