I don’t use gmail, but I have also been getting some obvious spam through my filters as well - usually nothing makes it to my actual inbox, but lately there have been 5-6 per day.
I use a Bayesian filter trained on old spam (I haven’t retrained it in years) combined with Spamhaus blocklists. My guess is that spammers found a clever way to fool the Bayesian filter, or they found new hosts to send email from in order to bypass blacklists.
I use a Bayesian filter trained on old spam (I haven’t retrained it in years) combined with Spamhaus blocklists. My guess is that spammers found a clever way to fool the Bayesian filter, or they found new hosts to send email from in order to bypass blacklists.