[Users] reply to list

[Ralf Mardorf]

On Tue, 20 Sep 2016 18:04:35 -0500, listreader wrote:
>Check the following setting:
>
>Configuration > Preferences > Compose > Writing and when there check
>the box that says "Reply button invokes mailing list reply".

The OP already checked this option:

  On Tue, 20 Sep 2016 23:20:47 +0100 Dave Howorth wrote:
  >On Tue, 20 Sep 2016 23:59:41 +0200 Ralf Mardorf wrote:
  >> Configuration > Preferences > Compose > Writing > Replying > Reply
  >> button invokes mailing list reply  
  >
  >That is how it's set, yes.

Actually the OP is used to MUAs that invoke the mailing list reply by
the "All", aka "Group Reply", MUAs that in addition ignore "Reply-to",
hence a different behaviour related to the received headers. There are
valid reasons for both behaviours, the Claws behaviour and the behaviour
of other MUAs.

Regards,
Ralf