Can anyone suggest a way to lower my log file explosion? I’m getting 1000’s of these in my log files. Literally, I got 116,352 mail server log entries night before last:
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its configuration file (/etc/logcheck/logcheck.conf).
System Events
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Sep 3 14:03:07 dunn0 postfix/smtpd[31203]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:07 dunn0 postfix/smtpd[31200]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:07 dunn0 postfix/smtpd[31207]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:07 dunn0 postfix/smtpd[31218]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:08 dunn0 saslauthd[2511]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:08 dunn0 saslauthd[2510]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:08 dunn0 postfix/smtpd[31209]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:09 dunn0 saslauthd[2271]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:09 dunn0 saslauthd[2513]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:09 dunn0 saslauthd[2512]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:09 dunn0 postfix/smtpd[31214]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:09 dunn0 postfix/smtpd[31217]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:09 dunn0 postfix/smtpd[31213]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:09 dunn0 postfix/smtpd[31208]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:09 dunn0 postfix/smtpd[31211]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:10 dunn0 saslauthd[2511]: do_auth : auth failure: [user=spam] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Sep 3 14:03:10 dunn0 saslauthd[2510]: do_auth : auth failure: [user=spam] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Sep 3 14:03:10 dunn0 saslauthd[2271]: do_auth : auth failure: [user=spam] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Sep 3 14:03:10 dunn0 postfix/smtpd[31207]: warning: unknown[216.55.179.145]: SASL login authentication failed: authentication failure
Sep 3 14:03:10 dunn0 postfix/smtpd[31218]: warning: unknown[216.55.179.145]: SASL login authentication failed: authentication failure
Sep 3 14:03:10 dunn0 postfix/smtpd[31214]: warning: unknown[216.55.179.145]: SASL login authentication failed: authentication failure
Sep 3 14:03:10 dunn0 postfix/smtpd[31216]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:10 dunn0 postfix/smtpd[31215]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:10 dunn0 postfix/smtpd[31206]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:11 dunn0 saslauthd[2513]: do_auth : auth failure: [user=spam] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Sep 3 14:03:11 dunn0 saslauthd[2511]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:11 dunn0 saslauthd[2510]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:11 dunn0 saslauthd[2271]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:11 dunn0 saslauthd[2512]: do_auth : auth failure: [user=spam] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Sep 3 14:03:11 dunn0 saslauthd[2513]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:11 dunn0 saslauthd[2512]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
Sep 3 14:03:11 dunn0 postfix/smtpd[31208]: warning: unknown[216.55.179.145]: SASL login authentication failed: authentication failure
Sep 3 14:03:11 dunn0 postfix/smtpd[31211]: warning: unknown[216.55.179.145]: SASL login authentication failed: authentication failure
Sep 3 14:03:11 dunn0 postfix/smtpd[31212]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145
Sep 3 14:03:11 dunn0 postfix/smtpd[31200]: warning: hostname 216-55-179-145.dedicated.codero.net does not resolve to address 216.55.179.145[/code]