Bounced mail

Unanswered Question
Oct 15th, 2007

I would like to apply a message filter to filter emails with no sender address.
No_sender_filter:
if(mail-from="^$")
{
quarantine("Policy");
}

After I applied the filters above, I found that there are many valid bounced mail in Policy quarantine. How can I exclude these bounced mails using message filters.

I have this problem too.
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morrow_ironport Mon, 10/15/2007 - 10:55

If you want to block Bounced E-Mails you should try to use BATV. As you found out the NULL Sender is used for valid bounced E-Mails and therefor should not be blocked by default.

BATV would block only NULL Senders for mails which did not originate from one of your IronPort Appliances.

Best regards,
Adrian

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