Cisco Cisco Email Security Appliance C160 Guía Del Usuario
22-30
User Guide for AsyncOS 10.0 for Cisco Email Security Appliances
Chapter 22 Email Authentication
Determining the Action to Take for SPF/SIDF Verified Mail
quarantine-spf-failed-mail:
if (spf-status("pra") == "Fail") {
if (spf-status("mailfrom") == "Fail"){
# completely malicious mail
quarantine("Policy");
} else {
if(spf-status("mailfrom") == "SoftFail") {
# malicious mail, but tempting
quarantine("Policy");
}
}
} else {
if(spf-status("pra") == "SoftFail"){
if (spf-status("mailfrom") == "Fail"
or spf-status("mailfrom") == "SoftFail"){
# malicious mail, but tempting
quarantine("Policy");
}
}
}
stamp-mail-with-spf-verification-error:
if (spf-status("pra") == "PermError, TempError"
or spf-status("mailfrom") == "PermError, TempError"
or spf-status("helo") == "PermError, TempError"){
# permanent error - stamp message subject
strip-header("Subject");