CC to self

[David Lowry-Duda]

On Tue, Aug 23, 2022 at 11:44:48AM -0400, Haines Brown wrote:
>For some time I had muttrc set up so that a copy of every messge
>going out was sent back to me.
>
>For some reason, it ceased doing so. I see no line in my muttrc that
>defines an address for CC in the mutt header. I would like to restore
>that line, but have not been able to find the syntax to do so.

This can be done using `my_hdr`, for example

```
my_hdr cc: an.email at address.com
```

- DLD