Weird Exim Log

[dannygoh]

Hi, What this means? How to trace the error?

2005-07-28 23:42:00 1DxsYr-0008IK-OK == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsYr-0008IQ-Tz == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsb3-0008Jy-RU == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsb4-0008KG-C2 == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsdF-0008P3-3t == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsb4-0008KM-HG == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsb4-0008KP-Ji == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsdF-0008P7-DE == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsb4-0008KV-O6 == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsgu-0008QY-Ho == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsgu-0008Qe-N8 == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsjC-00009A-EY == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsdF-0008PK-Ka == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsdG-0008Pa-1n == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsdG-0008Pd-4n == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsgu-0008Qn-Ve == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsdG-0008Pj-9r == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsdG-0008Pp-EO == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsgv-0008Qt-6C == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1Dxsgv-0008R2-Ed == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsjC-00009M-Pl == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsjC-00009P-S3 == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host
2005-07-28 23:42:00 1DxsjD-00009Y-3Q == [email protected] R=lookuphost T=remote_smtp defer (-53): retry time not reached for any host

 

[nobaloney]

It's hard to know for sure without more detail (no, please don't host any larger log snippets in the forum), but it sure looks like someone is trying to use your host to send an email dictionary attack.

Jeff