On Thu, 2009-04-23 at 21:23 +0200, Benny Pedersen wrote: > and how many subdomains should we have to consider remove whitelisting of > domain with spamming subdomains
None. Please check the archives. I posted proof the other day, that util_rb_2tld works just as expected, even if the domain itself is whitelisted. guenther -- who does not only post to answer the OPs question, but often for everyone's benefit -- char *t="\10pse\0r\0dtu...@ghno\x4e\xc8\x79\xf4\xab\x51\x8a\x10\xf4\xf4\xc4"; main(){ char h,m=h=*t++,*x=t+2*h,c,i,l=*x,s=0; for (i=0;i<l;i++){ i%8? c<<=1: (c=*++x); c&128 && (s+=h); if (!(h>>=1)||!t[s+h]){ putchar(t[s]);h=m;s=0; }}}