Does e-mail obfuscation really make automatic harvesting harder?

Question

Many users and forum programs in attempt to make automatic e-mail address harversting harder conseal them via obfuscation - @ is replaced with \"at\" and . is replaced with

Answer 1

It does make it harder but there are so many really smart scrapers that it probably doesn't help a lot, since the big spammers are using the high quality spam tools.