Re: Support for Internationalized Explanations

Chris Haynes wrote:

> All SPF response messages MUST use MIME and be described as having a
character
> set of "UTF-8".
>
> Example - for a plain response message encoded according to RFC1522, the
> response headers would include
>
> MIME-Version: 1.0
> Content-type: text/plain; charset=UTF-8
How should a 5xx SMTP reply containing an explanation string with
non-English letter be written? Is there an RFC?

Roger