On Mon, Aug 19, 2019 at 12:05:57PM +0800, Eliza wrote:
> If MUA lacks to set encoding, where for Postfix to setup the default
> content encoding (for example, utf8) for outgoing messages?
I'm afraid that only the MUA can set the correct character set of
the various textual parts of a message.
The implicit default is "us-ascii" [1], and anything else, e.g. "UTF-8" [2]
is the MUA's responsibility:
Content-Type: text/plain; charset = UTF-8
--
Viktor.
[1] https://tools.ietf.org/html/rfc6657#section-4
[2] https://tools.ietf.org/html/rfc3629#section-8
