Jun  8 00:12:49 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:12:49 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs
Jun  8 00:12:49 vmd16025 postfix/smtpd[7550]: fatal: no SASL authentication mechanisms
Jun  8 00:13:54 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:13:54 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 4 secs
Jun  8 00:13:54 vmd16025 postfix/smtpd[7556]: fatal: no SASL authentication mechanisms
Jun  8 00:14:09 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:14:09 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 8 secs
Jun  8 00:22:08 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:22:08 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 16 secs
Jun  8 00:24:05 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:24:05 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 32 secs
Jun  8 00:24:19 vmd16025 postfix/smtpd[7605]: fatal: no SASL authentication mechanisms
Jun  8 00:24:37 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:24:37 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 00:26:39 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:26:39 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 00:27:56 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:27:56 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 00:27:56 vmd16025 postfix/smtpd[7619]: fatal: no SASL authentication mechanisms
Jun  8 00:28:29 vmd16025 dovecot: imap-login: Error: Timeout waiting for handshake from auth server. my pid=7622, input bytes=0
Jun  8 00:28:56 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 00:28:56 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:31:42 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:31:42 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 00:37:40 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:37:40 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 00:42:32 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:42:32 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 00:45:27 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 00:45:27 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 15:08:13 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 15:08:13 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 15:08:57 vmd16025 dovecot: imap-login: Error: Timeout waiting for handshake from auth server. my pid=12299, input bytes=0
Jun  8 15:09:13 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 15:09:13 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 18:16:42 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 18:16:42 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 20:02:54 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 20:02:54 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 21:48:53 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 21:48:53 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 21:52:59 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 21:52:59 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 21:52:59 vmd16025 postfix/smtpd[15075]: fatal: no SASL authentication mechanisms
Jun  8 21:53:59 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 21:53:59 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 21:55:42 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 21:55:42 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 21:55:42 vmd16025 postfix/smtpd[15097]: fatal: no SASL authentication mechanisms
Jun  8 22:01:15 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Jun  8 22:01:15 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 22:01:15 vmd16025 postfix/smtpd[15131]: fatal: no SASL authentication mechanisms
Jun  8 22:04:19 vmd16025 dovecot: auth: Fatal: Unknown database driver 'mysql'
Jun  8 22:04:19 vmd16025 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs