The Levy-Solovay theorem says that if $\kappa$ is measurable, then it remains measurable in the extension by a small forcing ($|\mathbb{P}|<\kappa$). Is still true if we replace $|\mathbb{P}|<\kappa$ with "$\mathbb{P}$ has the $\lambda-\textrm{c.c.}$ for some $\lambda<\kappa$"? Or even, can a c.c.c. forcing destroy measurability of $\kappa$?

This conjecture seems to check out with all the natural examples of forcings that I know.

Drake