> Just a last question, this file will be filled with a lot of
> users, and his state will change often...
>
> I have noticed that putting a # before the name does not make
> the username in *remark* (seems normal cause #foo contains
> foo) Do you think there is a way to desactivate some users in
> this file without removing all the line containing his name????
>
Take a look at
http://www.exim.org/exim-html-4.62/doc/html/spec_html/ch10.html#SECTfilnamlis
Because # is a valid character in a local part, it is only recognised as a
comment marker if it is the first character or it is preceded by whitespace.
John