Benu
flash@benu.widge.org
Thu Jan 5 23:07:58 UTC 2006
On Tuesday 03 January 2006 09:39, Vernon Schryver wrote: > > From: Benu <flash@benu.widge.org> > > > > 1. Is greylisting (servers, clients) only available in sendmail > > configurations? > > no, greylisting also works with dccifd. [snip] > > With what complaint does dbclean die? Jan 4 12:07:40 daffy dccifd[23712]: 1.3.24 listening to /var/dcc/dccifd Jan 4 12:07:40 daffy dccd grey[23677]: /var/dcc/grey_db with 0 bytes is too small to be a DCC database Jan 4 12:07:40 daffy dccd grey[23677]: could not start database /var/dcc/grey_db; fatal error Jan 4 12:09:26 daffy dccd grey[23797]: lock open(/var/dcc/grey_db): No such file or directory Jan 4 12:09:26 daffy dccd grey[23798]: database initially broken; starting `/var/dcc/libexec/dbclean -Gon -i 12345 -4` Jan 4 12:09:26 daffy dbclean grey[23798]: /var/dcc/grey_db-new contains the wrong magic string "DCC checksum database version 3" Jan 4 12:09:26 daffy dbclean grey[23798]: could not start database /var/dcc/grey_db-new; fatal error Jan 4 12:09:26 daffy dccd grey[23797]: lock open(/var/dcc/grey_db): No such file or directory Jan 4 12:09:26 daffy dccd grey[23797]: could not start database /var/dcc/grey_db; fatal error Jan 4 12:09:27 daffy dccifd[23712]: 1.3.24 detected 0 spam, ignored for 0, rejected for 0, and discarded for 0 targets among 0 total messages for 0 targets since 01/04/06 12:07:40 Jan 4 12:09:27 daffy dccifd[23827]: 1.3.24 listening to /var/dcc/dccifd 12345 and 67890 are in map.txt ======== MAP.TXT ======== # local DCC server 127.0.0.1 RTT-1000 ms 12345 [random number] # local greylist server 127.0.0.1 GREYLIST 67890 [matching random number] =========== DCC_CONF =========== DCC_CONF_VERSION=3 DCC_LIBEXEC=/var/dcc/libexec DCC_RUNDIR=/var/run/dcc DCCUID=dcc DCCD_ENABLE=off SRVR_ID=12345 BRAND= DCCD_ARGS= GREY_CLIENT_ARGS= GREY_ENABLE=on GREY_SRVR_ID= GREY_DCCD_ARGS= REP_ARGS= DNSBL_ARGS=-Bsbl-xbl.spamhaus.org XFLTR_ARGS= DCCM_ENABLE=off DCCM_ARGS="-SHELO -Smail_host -SSender -SList-ID" DCCM_LOGDIR=log DCCM_WHITECLNT=whiteclnt DCCM_USERDIRS=userdirs DCCM_LOG_AT=0 DCCM_REJECT_AT= DCCM_CKSUMS= DCCM_XTRA_CKSUMS= DCCIFD_ENABLE=on DCCIFD_ARGS="-SHELO -Smail_host -SSender -SList-ID" DCCIFD_LOGDIR="$DCCM_LOGDIR" DCCIFD_WHITECLNT="$DCCM_WHITECLNT" DCCIFD_USERDIRS="$DCCM_USERDIRS" DCCIFD_LOG_AT="$DCCM_LOG_AT" DCCIFD_REJECT_AT="$DCCM_REJECT_AT" DCCIFD_CKSUMS="$DCCM_CKSUMS" DCCIFD_XTRA_CKSUMS="$DCCM_XTRA_CKSUMS" DBCLEAN_LOGDAYS=14 DBCLEAN_ARGS= DCC_INFO_LOG_FACILITY= DCC_ERROR_LOG_FACILITY= [snip] > > 3. When the combo amavis+clamav+SA+DCC+postfix is employed, at what point > > during the scanning, will amavis call dccifd? When dccproc was configured > > I would see calls to dccproc in the mail logs, now I do not see calls to > > dccifd in the logs. I know that DCC is working because I see its logs. > > I know very little and nothing useful about amavis, and about the same > about clamav. > > It would be best to run dccifd as a postfix before-queue filter and let > dccifd spam mail during the SMTP transaction. > Second best is to run dccifd as a postfix before-queue filter but only > adding X-DCC header lines that SpamAssassin would check for the > string "bulk" or thresholds in the counts. Both of these tactics would > give the mail message to dccifd during the SMTP transaction and so > permit the use of greylisting. I have no reservations about using dcc in the postfix before-queue. Regards
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