Is there a hook for modifying a To: field?

[Cameron Simpson]

On 24Aug2020 10:32, Chris Green <cl at isbd.net> wrote:
>I am on a mailing list which has two addresses, occasionally when one
>does L[ist reply] the To: address is:-
>
>    ixion at ixiemaster.ixion.org.uk, Ixilist <ixion at ixion.org.uk>
>
>At present I normally notice this and remove one of the addresses but
>it would be nice if I could automate this.  Is there a hook (send_hook
>maybe) that can be used to change this?  It can't just change every
>case of either ixion at ixiemaster.ixion.org.uk or ixion at ixion.org.uk as
>most of the time a L[ist reply] only gets a single address.

Can you show the headers of such a message which produces this To: 
header? And do you have any mutt list subscription settings for these 
lists?

[ Personally I use (g)roup-reply and then edit the headers, but I'm 
weird. ]

Cheers,
Cameron Simpson <cs at cskk.id.au>