News of Google AdSense

I just received a strange email which appears to have come from Google adsense. I have copied the email below. Has anyone ever had anything similar?

I'm not sure if it is genuine or not :?:


Hello,

While reviewing your ad implementation, we noticed that your robots.txt file is currently preventing our AdSense crawler from reaching a significant number of pages with ads in your account.

In order to serve targeted, paid ads to your sites, our crawler needs to visit your sites’ pages to determine their content. Please update your robots.txt ...

Hey Guys,
I'm having some kind of weird problem. My new posts, no mater how big or small, on my forum are showing relevant ads but the ones that are old, big or small are hardly getting relevant ads and most are not getting ads at all.

hotspots.pk <<< site

Its driving me nuts!,


ND

I am trying to replace phpbb3 search with the google adsense search engine. I want the results to be displayed in the same window or where the forum topics normally are. If anyone has info. please respond.
thanks,
techllb

Hello

I think that it would be a good idea if we shared our adsense tricks here.
Things like where You put Your adsense ads and what the site-CTR is.

I only have adsense at my main domain.
It is an infosite with a forum so I will split my experience in forum and infosite.

The revenue is much better at the infosite than the forum.
I think that it is hard to get forumusers to click ads.

I am using 2 adsense codes at my mainsite.
A big one just under the logo with 4 links and a small ...

Can any one tell me the code to hide ads
i know the html code to hide contents if its a logged in user.
But what if i wish to hide some contents for moderators and admin only while displaying it for rest of the users
Thanks