This phrase is correct and usable in written English. You can use it when you want to thank someone for talking about a particular subject or addressing something. For example, "Thank you for addressing our concerns about the safety of the building.".
"Thank you for addressing the problem directly to me," the e-mail began.
Thank you for addressing this continuing insult to the memory of AIDS victims who died of indifference during the 1980s.
SIR - Thank you for addressing the notion of "satellite wars" and our daily dependence on an evolving system of systems which we largely take for granted ("The militarisation of space", January 19th).
I want to thank you for finally addressing a human rights issue, where action was long overdue.
Thank you for not only addressing an issue relevant to thousands across America, but also providing relief through resources for atheist African-Americans looking for a sense of community.
Sincerely, Thank you for the note addressed to Matt Murray and me.
Madam President, thank you for the invitation to address your annual Congress.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK