On 3/26/2012 12:22 PM, Sergio wrote:
Is there a way to have a rule that could count how many "@" are in an email? I want to block customers that are sending 200 emails in a CC or BCC, even better a rule that could check that no more than 100 emails in a CC or BCC with attachments no large of 5MB, could be blocked. Is it possible?
I think this could only be done at an MTA level implementation because BCCs aren't reflected in the email but split by the MTA into individual emails.

For sendmail, define(`confMAX_RCPTS_PER_MESSAGE',`200')dnl would block emails with over 200 recipients, BCC, To or CC.

regards,
KAM

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