Testsuite: avoid tryng to run in net 10.

2 files changed, 2 insertions, 2 deletions

diff --git a/test/README b/test/README
index 4f43b0b1a..f63c97fa4 100644
--- a/test/README
+++ b/test/README
@@ -114,7 +114,7 @@ In order to run this test suite, the following requirements must be met:
     is also an IPv6 address, additional tests are run when the Exim binary
     contains IPv6 support. There are checks in the scripts for a running IPv4
     interface; when one is not found, some tests are skipped (with a warning
-    message).
+    message).  The local net may not be in 10.0/8 as that is used by the suite.
 
 (9) Exim must be built with TRUSTED_CONFIG_LIST support, so that the test
     configs can be placed into it.  A suitable file location is .../exim/test/trusted_configs
diff --git a/test/runtest b/test/runtest
index 70f1d9b4b..157ff050a 100755
--- a/test/runtest
+++ b/test/runtest
@@ -2904,7 +2904,7 @@ while (($parm_ipv4 eq "" || $parm_ipv6 eq "") && ($_ = <IFCONFIG>))
       $_ =~ /^\s*inet(?:\saddr)?:?\s?(\d+\.\d+\.\d+\.\d+)\s/i)
     {
     $ip = $1;
-    next if ($ip =~ /^127\./);
+    next if ($ip =~ /^127\./ || $ip =~ /^10\./);
     $parm_ipv4 = $ip;
     }