On Thu, May 25, 2006 at 09:30:48AM -0500, Rodney Richison wrote: > Is there any hope at all for real-time spam/virus filtering using > postfix or exim? Everything I find says low volume sites only.. Where "low volume" is still quite a generous number of emails/day on modern hardware.. > Just wondering. It would be nice... How many emails are you expecting? You can do what you want with exim, making callouts to spamd and clamav for example, you'll just need a little bit more hardware than you would if you were accepting the mail and then scanning it later. There's no such thing as a free lunch and content filtering is the most expensive part of accepting an email. If you want to do it during the SMTP conversation then this is going to slow down the rate at which you can accept and deal with mails, but it's probably still worth it. Cheers, Andy
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