[Exim] Virus-scanning with Exim

Does anyone know of anti-virus software that integrates well (or badly!)
with Exim?

Thanks,

Ray Gardenerbegin:vcard
n:Gardener;Ray
tel;fax:0114 225 3840
tel;work:0114 225 4926
x-mozilla-html:FALSE
org:Sheffield Hallam University;Corporate Information Systems
adr:;;Howard Street;Sheffield;South Yorkshire;S1 1EW;United Kingdom
version:2.1
email;internet:r.a.gardener@???
title:Senior Programmer/Analyst
fn:Ray Gardener
end:vcard