[Exim] WTF?

Exim 4.04, Freebsd

We are getting some cases where the dnsbl message is causing the
following to get inserted. What could be causing this?



[..]
X-RBL-Warning: 128.121.16.242 is listed at relays.osirusoft.com as ted
at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirus
X-RBL-Warning: 128.121.16.242 is listed at ztl.dorkslayers.com as d at
relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirus

ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirus
X-RBL-Warning: 128.121.16.242 is listed at sbl.spamhaus.org as .osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirus

ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirus

rusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirus

ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirusoft.com as ted at relays.osir
as ted at relays.osirus