addrcheck: Check incoming mail for valid mailbox names.

[newsgate] / bin / addrcheck

diff --git a/bin/addrcheck b/bin/addrcheck
new file mode 100755 (executable)
index 0000000..ca6f3fb
--- /dev/null
+++ b/bin/addrcheck
@@ -0,0 +1,10 @@
+#! /bin/sh
+
+set -e
+kind=${1?kind}
+tail=${2?tail}
+if cdb -q groups.cdb "$kind:$tail" >/dev/null 2>&1; then
+  echo +
+else
+  echo "-bad tag $tail"
+fi