I don't see why not; RMAIL is just a MUA AFAIK, while SpamAssassin is usually inserted at the local delivery end of the MTA via procmail or the like. This (http://www.cs.rutgers.edu/~watrous/procmail-spam.html) and this (http://www.geocrawler.com/archives/3/339/1998/7/0/1886979/) might be helpful in getting procmail and rmail to play nice.
Hrm. That doesn't sound like the hard part. I can also do all kinds of nifty things with RMAIL once the X-Spam-Flag header is present. My next question: I do not own (or administer) this computer. Can a random user of a UNIX machine set up SpamAssassin for herself? I haven't read much of the web site yet, but so far it's looking like "no"...
Hm. SpamAssassin is just a procmail filter that you run out of your .forward, so I'd say "yes, but". The "but" being that I don't know how difficult it is to install in a nonstandard (e.g. personal user) location, as I've just installed prepackaged Linux RPMs. It sounds like you'll either need to convince the admin to install it for you, or get the source and tweak the configuration some, as described here (http://www.spamassassin.org/dist/README) (under "Installing SpamAssassin for Personal Use").
I've been using this: http://www.mailwasher.net/ for about a week now, and I'm having *such* fun bouncing spam back to the source. It's an extra step, but I get to see what mail is on my POP servers before downloading, and can delete what I don't want from the servers, and the stuff I really don't want I bounce - The sender receives what appears to be a recipient unknown message.
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Granted that a Ford Expedition filled with AOL bisks driving repeatedly over the spammers would be even better.
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this (http://www.geocrawler.com/archives/3/339/1998/7/0/1886979/) might be helpful in getting procmail and rmail to play nice.
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http://www.mailwasher.net/
for about a week now, and I'm having *such* fun bouncing spam back to the source. It's an extra step, but I get to see what mail is on my POP servers before downloading, and can delete what I don't want from the servers, and the stuff I really don't want I bounce - The sender receives what appears to be a recipient unknown message.
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Sigh.
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Sigh.