Cisco Cisco Email Security Appliance C190 Guía Del Usuario
5-425
Cisco IronPort AsyncOS 7.1 for Email Advanced Configuration Guide
OL-22164-02
Chapter 5 Using Message Filters to Enforce Email Policies
Note
By default, AsyncOS automatically detects mail loops and will drop messages
after 100 loops.
after 100 loops.
if (header("X-ExtLoopCount5")) {
if (header("X-ExtLoopCount6")) {
if (header("X-ExtLoopCount7")) {
if (header("X-ExtLoopCount8")) {
if (header("X-ExtLoopCount9")) {
notify ('joe@example.com');
drop();
}
else {insert-header("X-ExtLoopCount9", "from
$RemoteIP");}}
else {insert-header("X-ExtLoopCount8", "from $RemoteIP");}}
else {insert-header("X-ExtLoopCount7", "from $RemoteIP");}}
else {insert-header("X-ExtLoopCount6", "from $RemoteIP");}}
else {insert-header("X-ExtLoopCount5", "from $RemoteIP");}}
else {insert-header("X-ExtLoopCount4", "from $RemoteIP");}}
else {insert-header("X-ExtLoopCount3", "from $RemoteIP");}}
else {insert-header("X-ExtLoopCount2", "from $RemoteIP");}}
else {insert-header("X-ExtLoop1", "1"); }