* Ian Zimmerman <i...@buug.org> [2015-07-21 14:58]:
> On 2015-07-21 14:02 -0400, Peter P. wrote:
>
> > Am I then right to assume that References: header fileds are derived
> > from Message-IDs, and that by setting $hostname should hence be the
> > solution to my problem?
>
> It will solve your problem (such as it is) for new threads from now on.
>
> In existing threads, existing message-ids embedded in References will
> stay as they are (even in new messages in those threads). Message-Ids
> are immutable, that is part of their value.
Perfectly fine, thank you again for your help Ian!
P
