Re: [Exim] system filter to catch bounces, follow up

On Tue, 16 Jul 2002, David Markham wrote:

> I looked through the docs and stuff and can see how to match things, but how
> do I check if $sender_address is actually empty.

if $sender_address is "" then ...

But in fact that is exactly equivalent to

if error_message then ...

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.