In an attempt to help protect the privacy of its members, Toastmasters International announced that all clubs should include the following disclaimer on club websites:
The information in this website is for the sole use of Toastmasters members for Toastmasters business only. It is not to be used for solicitation and distribution of non-Toastmasters materials or information.
A similar disclaimer (but denoting an appropriate description other than “website”) should be included on member directories and lists.
Additional information can be found here: Membership And Mailing Lists.