Author: P Kirk Date: To: Phil Chambers CC: exim-users Subject: Re: [Exim] Exim Spam Filter Example
> >One observation: you do a lot of lc:$message_body and simlilar. That is
>redundant and may induce a lot of wasted CPU time because "matches" is defined as
>being case-insensitive. (Case-sensitive matches are achieved by using "MATCHES".)
So if I want anyone who opens an email with "Dear friend" to be caught, what synrax would you recommend?