[rt-users] Mail error

[Steven Coutts]

Jul 12 09:50:31 www sendmail[3688]: JAA03688: from=<root at www.emc-ltd.co.uk>,
size=257, class=0, pri=30257, nrcpts=1,
msgid=<Pine.LNX.4.21.0107120950230.3686-100000 at www.emc-ltd.co.uk>,
proto=ESMTP, relay=root at localhost
Jul 12 09:50:31 www sendmail[3689]: JAA03688:
to="|/usr/local/rt2/bin/rt-mailgate --queue general --action correspond",
delay=00:00:00, xdelay=00:00:00, mailer=prog, stat=Service unavailable
Jul 12 09:50:31 www sendmail[3689]: JAA03688: JAA03689: DSN: Service
unavailable


Any ideas why?