On Jan 29, 10:12 pm, Dennis Peterson <denni...@inetnw.com> wrote:
> siren...@gmail.com wrote:
> > We would like to reject a message if the sender (mail from) contains a
> > semicolon. For example:
>
> > mail from: us;e...@example.com
>
> > Any tips / rewrite rule examples would be great.
>
> > Thanks -
> > Steve
>
> Install a general purpose regular expression milter that reads headers
> as well as the body. Once you have it you'll find all kinds of uses for it.
>
> dp
And a list of milters
http://www.jmaimon.com/sendmail/milters
For rewrite rules you could use the regex map.