The log got bigger;
[root@virtual log]# cat maillog
Jun 18 17:11:41 virtual clamd[30288]: SelfCheck: Database status OK.
Jun 18 17:12:12 virtual imapd: Connection, ip=[::1]
Jun 18 17:12:12 virtual imapd: authdaemon: s_connect() failed: No such file or directory
Jun 18 17:12:12 virtual imapd: LOGIN FAILED, user=admin, ip=[::1]
Jun 18 17:12:12 virtual imapd: authentication error: No such file or directory
Jun 18 17:21:41 virtual clamd[30288]: SelfCheck: Database status OK.
Jun 18 17:24:29 virtual imapd: Connection, ip=[::1]
Jun 18 17:24:29 virtual imapd: authdaemon: s_connect() failed: No such file or directory
Jun 18 17:24:29 virtual imapd: LOGIN FAILED, user=admin@virtual.localdomain, ip=[::1]
Jun 18 17:24:29 virtual imapd: authentication error: No such file or directory
Jun 18 17:26:14 virtual postfix/pickup[8101]: A5D4E200589: uid=0 from=<fail2ban@example.com>
Jun 18 17:26:14 virtual postfix/cleanup[8379]: A5D4E200589: message-id=<20130619002614.A5D4E200589@virtual.localdomain>
Jun 18 17:26:14 virtual postfix/qmgr[8102]: A5D4E200589: from=<fail2ban@example.com>, size=386, nrcpt=1 (queue active)
Jun 18 17:26:14 virtual postfix/local[8382]: A5D4E200589: to=<root@virtual.localdomain>, orig_to=<root>, relay=local, delay=0.18, delays=0.14/0/0/0.04, dsn=2.0.0, status=sent (delivered to mailbox)
Jun 18 17:26:14 virtual postfix/qmgr[8102]: A5D4E200589: removed
Jun 18 17:26:16 virtual postfix/postfix-script[8463]: stopping the Postfix mail system
Jun 18 17:26:16 virtual postfix/master[8099]: terminating on signal 15
Jun 18 17:26:18 virtual clamd[30288]: Pid file removed.
Jun 18 17:26:18 virtual clamd[30288]: --- Stopped at Tue Jun 18 17:26:18 2013
Jun 18 17:26:18 virtual clamd[30288]: Socket file removed.
Jun 19 04:57:51 virtual authdaemond: modules="authuserdb authpam authpgsql authldap authmysql authcustom authpipe", daemons=5
Jun 19 04:57:51 virtual authdaemond: Installing libauthuserdb
Jun 19 04:57:51 virtual authdaemond: Installation complete: authuserdb
Jun 19 04:57:51 virtual authdaemond: Installing libauthpam
Jun 19 04:57:51 virtual authdaemond: Installation complete: authpam
Jun 19 04:57:51 virtual authdaemond: Installing libauthpgsql
Jun 19 04:57:51 virtual authdaemond: Installation complete: authpgsql
Jun 19 04:57:51 virtual authdaemond: Installing libauthldap
Jun 19 04:57:51 virtual authdaemond: Installation complete: authldap
Jun 19 04:57:51 virtual authdaemond: Installing libauthmysql
Jun 19 04:57:51 virtual authdaemond: Installation complete: authmysql
Jun 19 04:57:51 virtual authdaemond: Installing libauthcustom
Jun 19 04:57:51 virtual authdaemond: Installation complete: authcustom
Jun 19 04:57:51 virtual authdaemond: Installing libauthpipe
Jun 19 04:57:51 virtual authdaemond: Installation complete: authpipe
Jun 19 04:58:15 virtual clamd[8021]: clamd daemon 0.97.8 (OS: linux-gnu, ARCH: x86_64, CPU: x86_64)
Jun 19 04:58:15 virtual clamd[8021]: Running as user amavis (UID 497, GID 497)
Jun 19 04:58:15 virtual clamd[8021]: Log file size limited to 1048576 bytes.
Jun 19 04:58:15 virtual clamd[8021]: Reading databases from /var/lib/clamav
Jun 19 04:58:15 virtual clamd[8021]: Not loading PUA signatures.
Jun 19 04:58:15 virtual clamd[8021]: Bytecode: Security mode set to "TrustSigned".
Jun 19 04:58:21 virtual clamd[8021]: Loaded 2397747 signatures.
Jun 19 04:58:22 virtual clamd[8021]: LOCAL: Unix socket file /var/spool/amavisd/clamd.sock
Jun 19 04:58:22 virtual clamd[8021]: LOCAL: Setting connection queue length to 200
Jun 19 04:58:22 virtual clamd[8022]: Limits: Global size limit set to 104857600 bytes.
Jun 19 04:58:22 virtual clamd[8022]: Limits: File size limit set to 26214400 bytes.
Jun 19 04:58:22 virtual clamd[8022]: Limits: Recursion level limit set to 16.
Jun 19 04:58:22 virtual clamd[8022]: Limits: Files limit set to 10000.
Jun 19 04:58:22 virtual clamd[8022]: Archive support enabled.
Jun 19 04:58:22 virtual clamd[8022]: Algorithmic detection enabled.
Jun 19 04:58:22 virtual clamd[8022]: Portable Executable support enabled.
Jun 19 04:58:22 virtual clamd[8022]: ELF support enabled.
Jun 19 04:58:22 virtual clamd[8022]: Mail files support enabled.
Jun 19 04:58:22 virtual clamd[8022]: OLE2 support enabled.
Jun 19 04:58:22 virtual clamd[8022]: PDF support enabled.
Jun 19 04:58:22 virtual clamd[8022]: HTML support enabled.
Jun 19 04:58:22 virtual clamd[8022]: Self checking every 600 seconds.
Jun 19 04:58:25 virtual amavis[8030]: starting. /usr/sbin/amavisd at virtual.localdomain amavisd-new-2.8.0 (20120630), Unicode aware, LANG="en_US.UTF-8"
Jun 19 04:58:26 virtual amavis[8031]: Net::Server: Group Not Defined. Defaulting to EGID '497 497'
Jun 19 04:58:26 virtual amavis[8031]: Net::Server: User Not Defined. Defaulting to EUID '497'
Jun 19 04:58:26 virtual amavis[8031]: Module Amavis::Conf 2.316
Jun 19 04:58:26 virtual amavis[8031]: Module Archive::Zip 1.30
Jun 19 04:58:26 virtual amavis[8031]: Module BerkeleyDB 0.43
Jun 19 04:58:26 virtual amavis[8031]: Module Compress::Zlib 2.02
Jun 19 04:58:26 virtual amavis[8031]: Module Convert::TNEF 0.17
Jun 19 04:58:26 virtual amavis[8031]: Module Convert::UUlib 1.4
Jun 19 04:58:26 virtual amavis[8031]: Module Crypt::OpenSSL::RSA 0.25
Jun 19 04:58:26 virtual amavis[8031]: Module DB_File 1.82
Jun 19 04:58:26 virtual amavis[8031]: Module Digest::MD5 2.39
Jun 19 04:58:26 virtual amavis[8031]: Module Digest::SHA 5.47
Jun 19 04:58:26 virtual amavis[8031]: Module Encode 2.35
Jun 19 04:58:26 virtual amavis[8031]: Module File::Temp 0.22
Jun 19 04:58:26 virtual amavis[8031]: Module IO::Socket::INET6 2.56
Jun 19 04:58:26 virtual amavis[8031]: Module MIME::Entity 5.427
Jun 19 04:58:26 virtual amavis[8031]: Module MIME::Parser 5.427
Jun 19 04:58:26 virtual amavis[8031]: Module MIME::Tools 5.427
Jun 19 04:58:26 virtual amavis[8031]: Module Mail:
KIM::Signer 0.37
Jun 19 04:58:26 virtual amavis[8031]: Module Mail:
KIM::Verifier 0.37
Jun 19 04:58:26 virtual amavis[8031]: Module Mail::Header 2.04
Jun 19 04:58:26 virtual amavis[8031]: Module Mail::Internet 2.04
Jun 19 04:58:26 virtual amavis[8031]: Module Mail::SPF v2.008
Jun 19 04:58:26 virtual amavis[8031]: Module Mail::SpamAssassin 3.003001
Jun 19 04:58:26 virtual amavis[8031]: Module Net:
NS 0.65
Jun 19 04:58:26 virtual amavis[8031]: Module Net::Server 0.97
Jun 19 04:58:26 virtual amavis[8031]: Module NetAddr::IP 4.027
Jun 19 04:58:26 virtual amavis[8031]: Module Razor2::Client::Version 2.84
Jun 19 04:58:26 virtual amavis[8031]: Module Scalar::Util 1.21
Jun 19 04:58:26 virtual amavis[8031]: Module Socket 1.82
Jun 19 04:58:26 virtual amavis[8031]: Module Socket6 0.23
Jun 19 04:58:26 virtual amavis[8031]: Module Time::HiRes 1.9721
Jun 19 04:58:26 virtual amavis[8031]: Module URI 1.40
Jun 19 04:58:26 virtual amavis[8031]: Module Unix::Syslog 1.1
Jun 19 04:58:26 virtual amavis[8031]: Amavis::ZMQ code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: Amavis:
B code loaded
Jun 19 04:58:26 virtual amavis[8031]: SQL base code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: SQL::Log code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: SQL::Quarantine NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: Lookup::SQL code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: Lookup::LDAP code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: AM.PDP-in proto code loaded
Jun 19 04:58:26 virtual amavis[8031]: SMTP-in proto code loaded
Jun 19 04:58:26 virtual amavis[8031]: Courier proto code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: SMTP-out proto code loaded
Jun 19 04:58:26 virtual amavis[8031]: Pipe-out proto code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: BSMTP-out proto code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: Local-out proto code loaded
Jun 19 04:58:26 virtual amavis[8031]: OS_Fingerprint code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: ANTI-VIRUS code loaded
Jun 19 04:58:26 virtual amavis[8031]: ANTI-SPAM code loaded
Jun 19 04:58:26 virtual amavis[8031]: ANTI-SPAM-EXT code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: ANTI-SPAM-C code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: ANTI-SPAM-SA code loaded
Jun 19 04:58:26 virtual amavis[8031]: Unpackers code loaded
Jun 19 04:58:26 virtual amavis[8031]: DKIM code loaded
Jun 19 04:58:26 virtual amavis[8031]: Tools code NOT loaded
Jun 19 04:58:26 virtual amavis[8031]: Found $file at /usr/bin/file
Jun 19 04:58:26 virtual amavis[8031]: Found $altermime at /usr/bin/altermime
Jun 19 04:58:26 virtual amavis[8031]: Internal decoder for .mail
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .F at /usr/bin/unfreeze
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .Z at /usr/bin/gzip -d
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .gz at /usr/bin/gzip -d
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .bz2 at /usr/bin/bzip2 -d
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .xz at /usr/bin/xzdec
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .lzma at /usr/bin/lzmadec
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .lrz at /usr/bin/lrzip -q -k -d -o -
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .lzo at /usr/bin/lzop -d
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .rpm at /usr/bin/rpm2cpio
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .cpio at /usr/bin/pax
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .tar at /usr/bin/pax
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .deb at /usr/bin/ar
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .rar at /usr/bin/unrar
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .arj at /usr/bin/unarj
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .arc at /usr/bin/nomarch
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .zoo at /usr/bin/unzoo
Jun 19 04:58:26 virtual amavis[8031]: No ext program for .doc, tried: ripole
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .cab at /usr/bin/cabextract
Jun 19 04:58:26 virtual amavis[8031]: No ext program for .tnef, tried: tnef
Jun 19 04:58:26 virtual amavis[8031]: Internal decoder for .tnef
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .zip at /usr/bin/7za
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .kmz at /usr/bin/7za
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .7z at /usr/bin/7za
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .jar at /usr/bin/7z
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .swf at /usr/bin/7z
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .lha at /usr/bin/7z
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .iso at /usr/bin/7z
Jun 19 04:58:26 virtual amavis[8031]: Found decoder for .exe at /usr/bin/unrar; /usr/bin/unarj
Jun 19 04:58:26 virtual amavis[8031]: No decoder for .doc
Jun 19 04:58:26 virtual amavis[8031]: Using primary internal av scanner code for ClamAV-clamd
Jun 19 04:58:26 virtual amavis[8031]: Found secondary av scanner ClamAV-clamscan at /usr/bin/clamscan
Jun 19 04:58:26 virtual amavis[8031]: Deleting db files __db.003,__db.004,snmp.db,__db.001,__db.002,nanny.db in /var/spool/amavisd/db
Jun 19 04:58:26 virtual amavis[8031]: Creating db in /var/spool/amavisd/db/; BerkeleyDB 0.43, libdb 4.7
Jun 19 04:58:27 virtual postfix/postfix-script[8137]: starting the Postfix mail system
Jun 19 04:58:27 virtual postfix/master[8138]: daemon started -- version 2.6.6, configuration /etc/postfix
Jun 19 04:58:30 virtual postfix/pickup[8146]: 2CEB72007E8: uid=0 from=<fail2ban@example.com>
Jun 19 04:58:30 virtual postfix/cleanup[8237]: 2CEB72007E8: message-id=<20130619115830.2CEB72007E8@virtual.localdomain>
Jun 19 04:58:30 virtual postfix/qmgr[8147]: 2CEB72007E8: from=<fail2ban@example.com>, size=399, nrcpt=1 (queue active)
Jun 19 04:58:30 virtual postfix/local[8241]: 2CEB72007E8: to=<root@virtual.localdomain>, orig_to=<root>, relay=local, delay=0.4, delays=0.21/0.04/0/0.15, dsn=2.0.0, status=sent (delivered to mailbox)
Jun 19 04:58:30 virtual postfix/qmgr[8147]: 2CEB72007E8: removed
Jun 19 05:08:22 virtual clamd[8022]: No stats for Database check - forcing reload
Jun 19 05:08:23 virtual clamd[8022]: Reading databases from /var/lib/clamav
Jun 19 05:08:27 virtual clamd[8022]: Database correctly reloaded (2397747 signatures)
Jun 19 05:18:27 virtual clamd[8022]: SelfCheck: Database status OK.
Jun 19 05:28:27 virtual clamd[8022]: SelfCheck: Database status OK.
Jun 19 05:35:49 virtual authdaemond: stopping authdaemond children
Jun 19 05:35:49 virtual authdaemond: modules="authuserdb authpam authpgsql authldap authmysql authcustom authpipe", daemons=5
Jun 19 05:35:49 virtual authdaemond: Installing libauthuserdb
Jun 19 05:35:49 virtual authdaemond: Installation complete: authuserdb
Jun 19 05:35:49 virtual authdaemond: Installing libauthpam
Jun 19 05:35:49 virtual authdaemond: Installation complete: authpam
Jun 19 05:35:49 virtual authdaemond: Installing libauthpgsql
Jun 19 05:35:49 virtual authdaemond: Installation complete: authpgsql
Jun 19 05:35:49 virtual authdaemond: Installing libauthldap
Jun 19 05:35:49 virtual authdaemond: Installation complete: authldap
Jun 19 05:35:49 virtual authdaemond: Installing libauthmysql
Jun 19 05:35:49 virtual authdaemond: Installation complete: authmysql
Jun 19 05:35:49 virtual authdaemond: Installing libauthcustom
Jun 19 05:35:49 virtual authdaemond: Installation complete: authcustom
Jun 19 05:35:49 virtual authdaemond: Installing libauthpipe
Jun 19 05:35:49 virtual authdaemond: Installation complete: authpipe
Jun 19 05:36:26 virtual imapd: Connection, ip=[::1]
Jun 19 05:36:56 virtual imapd: LOGIN FAILED, user=admin@virtual.localdomain, ip=[::1]
Jun 19 05:36:56 virtual imapd: authentication error: Input/output error
Jun 19 05:37:10 virtual imapd: Connection, ip=[::1]
Jun 19 05:37:29 virtual authdaemond: Connection to server 'pgsql.example.com' userid 'admin' database 'template1' failed.
Jun 19 05:37:29 virtual authdaemond: could not connect to server: Connection timed out..Is the server running on host "pgsql.example.com" and accepting..TCP/IP connections on port 5400?.
Jun 19 05:37:40 virtual imapd: LOGIN FAILED, user=admin, ip=[::1]
Jun 19 05:37:40 virtual imapd: authentication error: Input/output error
Jun 19 05:38:01 virtual imapd: Connection, ip=[::1]
Jun 19 05:38:13 virtual authdaemond: Connection to server 'pgsql.example.com' userid 'admin' database 'template1' failed.
Jun 19 05:38:13 virtual authdaemond: could not connect to server: Connection timed out..Is the server running on host "pgsql.example.com" and accepting..TCP/IP connections on port 5400?.
Jun 19 05:38:27 virtual clamd[8022]: SelfCheck: Database modification detected. Forcing reload.
Jun 19 05:38:28 virtual clamd[8022]: Reading databases from /var/lib/clamav
Jun 19 05:38:31 virtual imapd: LOGIN FAILED, user=admin, ip=[::1]
Jun 19 05:38:31 virtual imapd: authentication error: Input/output error
Jun 19 05:38:31 virtual clamd[8022]: Database correctly reloaded (2398589 signatures)
Jun 19 05:38:54 virtual postfix/pickup[8146]: 124752007F5: uid=0 from=<root>
Jun 19 05:38:54 virtual postfix/cleanup[22742]: 124752007F5: message-id=<20130619123854.124752007F5@virtual.localdomain>
Jun 19 05:38:54 virtual postfix/qmgr[8147]: 124752007F5: from=<root@virtual.localdomain>, size=2379, nrcpt=1 (queue active)
Jun 19 05:38:54 virtual postfix/local[22758]: 124752007F5: to=<root@localhost.localdomain>, orig_to=<root@localhost>, relay=local, delay=0.19, delays=0.13/0.01/0/0.05, dsn=2.0.0, status=sent (delivered to mailbox)
Jun 19 05:38:54 virtual postfix/qmgr[8147]: 124752007F5: removed
Jun 19 05:39:04 virtual authdaemond: Connection to server 'pgsql.example.com' userid 'admin' database 'template1' failed.
Jun 19 05:39:04 virtual authdaemond: could not connect to server: Connection timed out..Is the server running on host "pgsql.example.com" and accepting..TCP/IP connections on port 5400?.
[root@virtual log]#