Using sieve to change subject header

[Evan McLean]

Hi,

Is is possible to use sieve during email delivery to modify the subject of 
an email message.

For example, any email from "[EMAIL PROTECTED]" would have 
"[Cyrus] " prepended to the existing subject.

Thanx

E.

--
Evan McLean                Did you know that beating your head against
Datatask Pty. Ltd.         a brick wall burns 150 calories an hour?
[EMAIL PROTECTED]
http://www.datatrain.net      Question = 0xFF;  // Optimised Hamlet