ACTIVE SYSTEM ATTACK!

[smjhays]

I am getting an email from root every half hour entitled "ACTIVE SYSTEM ATTACK!". Here is a part of the email:
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Active System Attack Alerts
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Feb 5 13:00:05 scalix sendmail[15304]: l15I02OS015304: Milter change: header Subject: from scalix 02/05/07:13.00 ACTIVE SYSTEM ATTACK! to [SPAM] scalix 02/05/07:13.00 ACTIVE SYSTEM ATTACK!

Security Violations
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Feb 5 13:00:04 scalix spamd[1904]: locker: safe_lock: cannot create tmp lockfile /etc/mail/spamassassin/auto_whitelist.lock.scalix.askbta.com.1904 for /etc/mail/spamassassin/auto_whitelist.lock: Permission denied Feb 5 13:00:04 scalix spamd[1904]: auto-whitelist: open of auto-whitelist file failed: locker: safe_lock: cannot create tmp lockfile /etc/mail/spamassassin/auto_whitelist.lock.scalix.askbta.com.1904 for /etc/mail/spamassassin/auto_whitelist.lock: Permission denied Feb 5 13:00:04 scalix spamd[1904]: spamd: result: Y 6 - BAD_CREDIT,SPF_HELO_PASS,SPF_PASS,URIBL_JP_SURBL,URIBL_OB_SURBL scantime=2.1,size=63780,user=root,uid=502,required_score=5.0,rhost=localhost.localdomain,raddr=127.0.0.1,rport=44658,mid=<200702051800.l15I02mZ015301@scalix.askbta.com>,autolearn=no
Feb 5 13:00:05 scalix sendmail[15304]: l15I02OS015304: Milter add: header: X-Spam-Status: Yes, score=6.1 required=5.0 tests=BAD_CREDIT,SPF_HELO_PASS,\n\tSPF_PASS,URIBL_JP_SURBL,URIBL_OB_SURBL autolearn=no version=3.1.7
Feb 5 13:00:05 scalix sendmail[15304]: l15I02OS015304: Milter add: header: X-Spam-Report: \n\t* -0.0 SPF_HELO_PASS SPF: HELO matches SPF record\n\t* -0.0 SPF_PASS SPF: sender matches SPF record\n\t* 0.1 BAD_CREDIT BODY: Eliminate Bad Credit\n\t* 3.4 URIBL_JP_SURBL Contains an URL listed in the JP SURBL blocklist\n\t* [URIs: quickworm.com]\n\t* 2.6 URIBL_OB_SURBL Contains an URL listed in the OB SURBL blocklist\n\t* [URIs: quickworm.com]
Feb 5 13:00:05 scalix sendmail[15304]: l15I02OS015304: Milter change: header Subject: from scalix 02/05/07:13.00 ACTIVE SYSTEM ATTACK! to [SPAM] scalix 02/05/07:13.00 ACTIVE SYSTEM ATTACK!
Feb 5 13:00:48 scalix spamd[1904]: locker: safe_lock: cannot create tmp lockfile /etc/mail/spamassassin/auto_whitelist.lock.scalix.askbta.com.1904 for /etc/mail/spamassassin/auto_whitelist.lock: Permission denied Feb 5 13:00:48 scalix spamd[1904]: auto-whitelist: open of auto-whitelist file failed: locker: safe_lock: cannot create tmp lockfile /etc/mail/spamassassin/auto_whitelist.lock.scalix.askbta.com.1904 for /etc/mail/spamassassin/auto_whitelist.lock: Permission denied Feb 5 13:00:48 scalix spamd[1904]: bayes: locker: safe_lock: cannot create tmp lockfile /etc/mail/spamassassin/bayes.lock.scalix.askbta.com.1904 for /etc/mail/spamassassin/bayes.lock: Permission denied Feb 5 13:00:48 scalix spamd[1904]: spamd: result: Y 12 - RAZOR2_CF_RANGE_51_100,RAZOR2_CF_RANGE_E4_51_100,RAZOR2_CHECK,RCVD_IN_DSBL,RCVD_IN_NJABL_PROXY,RCVD_IN_SORBS_DUL,RCVD_IN_XBL,SPF_HELO_PASS,SPF_PASS,TVD_ENVFROM_APOST scantime=3.3,size=2392,user=hdreckmann,uid=502,required_score=5.0,rhost=localhost.localdomain,raddr=127.0.0.1,rport=44672,mid=<01c7494f$83f95cb0$6c822ecf@legalese'ssociability>,autolearn=failed
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HELP!!!

[Valerion]

Those messages seem to be normal Spamassassin log entries. This is probably some kind of logwatch equivalent that doesn't understand the messages and triggers on them. Do you know which application generates this?