this may help you

http://www.databasejournal.com/features/mssql/article.php/3080501/Using-xpfixeddrives-to-Monitor-Free-Space.htm

yes I used the illegal character "à"

now it works!!

thanks a lot!! :-D:-D

the sent_status is "failed" in all the rows about the agent's attempts, and the description of the error is the following:

The mail could not be sent to the recipients...

Using this function I have the attended result

xp_fixeddrives

with the query that you wrote I have different data, I will verify it.

thanks a lot