Feb  9 16:08:36 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb  9 16:08:36 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs
Feb  9 16:09:15 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb  9 16:09:15 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 4 secs
Feb  9 16:13:48 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb  9 16:13:48 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 8 secs
Feb  9 16:14:26 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb  9 16:14:26 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 16 secs
Feb  9 19:27:35 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb  9 19:27:35 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs
Feb  9 19:28:07 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb  9 19:28:07 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 4 secs
Feb  9 19:33:42 instance-1 postfix/trivial-rewrite[5930]: fatal: bad boolean configuration: append_at_myorigin = cesareo.freeddns.org
Feb 10 08:18:02 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb 10 08:18:02 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 8 secs
Feb 10 08:19:00 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb 10 08:19:00 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 16 secs
Feb 10 08:19:16 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb 10 08:19:16 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 32 secs
Feb 10 08:19:38 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 10 08:19:38 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 10 08:19:48 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb 10 08:19:48 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Feb 10 08:22:33 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb 10 08:22:33 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Feb 10 08:23:33 instance-1 dovecot: auth: Fatal: passwd userdb: Invalid uid: vmail
Feb 10 08:23:33 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 60 secs
Feb 10 12:49:46 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 12:49:46 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs
Feb 10 12:50:15 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 12:50:15 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 4 secs
Feb 10 12:50:32 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 12:50:32 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs
Feb 10 12:51:27 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 12:51:27 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 2 secs
Feb 10 12:58:40 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 12:58:40 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 4 secs
Feb 10 12:58:53 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 12:58:53 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 8 secs
Feb 10 12:59:19 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 12:59:20 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 16 secs
Feb 10 13:07:43 instance-1 dovecot: auth: Fatal: Unknown authentication mechanism 'TEXT'
Feb 10 13:07:43 instance-1 dovecot: master: Error: service(auth): command startup failed, throttling for 32 secs
Feb 11 08:12:07 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 11 08:12:08 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 11 08:13:48 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 11 08:13:48 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 11 19:01:07 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 11 19:01:07 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 12 02:24:03 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 13 00:44:40 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 13 00:44:44 instance-1 dovecot: imap-login: Error: Diffie-Hellman key exchange requested, but no DH parameters provided. Set ssh_dh=</path/to/dh.pem
Feb 13 19:57:49 instance-1 postfix/smtpd[12424]: error: open database /etc/postfix/virtual.db: No such file or directory
Feb 13 22:17:51 instance-1 postfix/smtpd[16070]: error: open database /etc/postfix/virtual.db: No such file or directory
Feb 14 06:00:48 instance-1 postfix/smtpd[26150]: error: open database /etc/postfix/virtual.db: No such file or directory
Feb 14 11:37:47 instance-1 postfix/smtpd[1305]: error: open database /etc/postfix/virtual.db: No such file or directory
Feb 14 12:58:49 instance-1 postfix/smtpd[3206]: error: open database /etc/postfix/virtual.db: No such file or directory