exim4 upgrades and configuration fragility

Last night I decided I’d catch up on sysadmin tasks. Some of that was trying to tighten up my spam filtering again. I had got in place a per-user Bayesian filter on spamassassin, which essentially should allow it to learn a much more individual pattern of what each user considers spam. I also had configuration… Continue reading exim4 upgrades and configuration fragility

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