[Esd-l] Case for repetitive rule.

Philip Choy plchoy at income.com.sg
Tue Nov 11 02:40:34 PST 2003

I have a scenario :-

Potentially the user with the valid email address can crash the sendmail/postfix + procmail server by setting this rule in Outlook Express

"Apply this rule after the message arrives
Where the From line contains validuser at income.com.sg' 
Forward it to validuser at income.com.sg "

The valid user can send an email with 1Mb size to himself and It will create a loop by forwarding to himself and it will not stop.

How will the procmail rule be used to prevent this situation?
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