[exim] Weird exim messages

Hi!

When starting Exim I get a unbelievable amount of these messages here.
It filles up the log up to 10MB:


...
2006-05-22 19:14:53 1cOCP-0001Ez-BP == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:53 1hNVi-0003q0-3D == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:53 1eRVP-00062H-6l == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:53 1fJIG-0002bt-RS == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:53 1fIHG-0005Hi-ES == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1gxrE-0005EM-0x == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1fveL-0006EW-N5 == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1fvfY-0006MG-Fv == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1fvfO-0006LP-Qc == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1fvfK-0006Kl-AG == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1fvfb-0006MX-Ea == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1gGzo-000813-98 == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1ds2i-0003sz-MI == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1gGzw-00081j-8O == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1gGzw-00081t-S2 == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVZ-0000Kt-6f == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1e4kJ-0005Cv-VB == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVV-0000KS-SY == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVS-0000K1-Ih == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1e4lN-0005Mp-5S == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1e4Yg-0003PQ-0Q == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVJ-0000Ig-LR == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1e4Yd-0003Pe-Uo == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVL-0000J7-Qd == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1eQtN-0001Yp-8h == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVF-0000Hc-22 == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVI-0000IF-Em == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1hNwK-0007R3-2j == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1gtmg-0003Yb-G8 == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1eQu4-0001dv-7W == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1dxVB-0000H7-GE == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1gxrP-0005FE-F3 == root@??? routing defer (-51): retry
time not reached
2006-05-22 19:14:54 1gH09-000833-16 == root@??? routing defer (-51): retry
time not reached
...


Any idea what this is, what might be causing it and how can to clear that?

Thanks.