Re: [exim] 4.93RC1

On 04/11/2019 18:05, Odhiambo Washington via Exim-users wrote:
> root@gw:/usr/local/SRC/Exim/exim-4.93-RC1 # tail -f
> /var/log/exim/main.20191104.log
> 2019-11-04 21:01:31 1iRgeh-000Ee9-2O Error in system filter: failed to
> expand "$received_protocol" in filter file: attempt to expand tainted
> string '$received_protocol'

The string "$received_protocol" seems to have been produced in
some manner that regards it as possibly involving data under
the control of the message source, in your system-filter.

Can you work out which bit of your system filter is involved?

--
Cheers,
Jeremy