was used which resulted in O(n^2) behaviour; now we get O(n log n) making
DOS attacks harder. The cost is wasted memory use in the larger blocks.
+JH/47 Use explicit alloc/free for DNS lookup workspace. This permits using the
+ same space repeatedly, and a smaller process footprint.
+
+JH/48 Use a less bogus-looking filename for a temporary used for DH-parameters
+ for GnuTLS. Previously the name started "%s" which, while not a bug,
+ looked as if if might be one.
+
+
Exim version 4.94