On Tue, Dec 17, 2019 at 07:55:27AM +1100, terryc wrote:
> Just my 2c.
>
> On Mon, 16 Dec 2019 07:51:40 -0500
> Haines Brown <haines@???> wrote:
>
> > I periodically get frozen messages alerts from dng-bounces. Sometimes
> > several in a day; sometimes every few days. The time of the message
> > is random.

...

> So, in summary, it is a setting in your mailer that creates the error
> messages. As a guess you need to relax a time parameter in that your
> mailer is closing receipt of header too quickly or the link is dropping
> out.

In .muttrc, I changed set time inc=250 to inc=500 ms, and that seems
to have solved the problem.

Thanks.