[exim] 4.93RC1

Having built it successfully, I fired it up and the following errors
started filling my mainlog:

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'
2019-11-04 21:01:31 1iRgel-000N7x-77 attempt to expand tainted string
'$received_protocol'
2019-11-04 21:01:31 1iRgel-000N7x-77 Error in system filter: failed to
expand "$received_protocol" in filter file: attempt to expand tainted
string '$received_protocol'
2019-11-04 21:01:31 End queue run: pid=91954
2019-11-04 21:01:36 SMTP connection from [41.57.103.121]
I=[41.57.103.122]:587 (TCP/IP connection count = 1)
2019-11-04 21:01:36 Taint mismatch, Ustrncpy: dns_build_reverse 245

2019-11-04 21:01:38 SMTP connection from [41.57.103.121]
I=[41.57.103.122]:587 (TCP/IP connection count = 1)
2019-11-04 21:01:38 Taint mismatch, Ustrncpy: dns_build_reverse 245

2019-11-04 21:01:42 SMTP connection from [41.57.103.121]
I=[41.57.103.122]:587 (TCP/IP connection count = 1)
2019-11-04 21:01:42 Taint mismatch, Ustrncpy: dns_build_reverse 245

2019-11-04 21:01:52 SMTP connection from [41.57.103.121]
I=[41.57.103.122]:587 (TCP/IP connection count = 1)
2019-11-04 21:01:52 Taint mismatch, Ustrncpy: dns_build_reverse 245

2019-11-04 21:01:52 SMTP connection from [41.57.103.121]
I=[41.57.103.122]:587 (TCP/IP connection count = 1)
2019-11-04 21:01:52 Taint mismatch, Ustrncpy: dns_build_reverse 245

I had to quickly back off to 4.92.3.



--
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254 7 3200 0004/+254 7 2274 3223
"Oh, the cruft.", grep ^[^#] :-)