dovecot-10-auth.conf

auth_mechanisms = plain login digest-md5 cram-md5 ntlm apop
!include auth-sql.conf.ext

dovecot-10-mail.conf

mail_location = maildir:/srv/vmail/%d/%n

namespace inbox {
  inbox = yes
}

mail_uid = 2000
mail_gid = 2000

mail_privileged_group = vmail

first_valid_uid = 2000
last_valid_uid = 2000

maildir_copy_with_hardlinks = yes

dovecot-10-master.conf

service imap-login {
  inet_listener imap {
    port = 143
  }
  inet_listener imaps {
    port = 993
    ssl = yes
  }

  service_count = 0
}

service pop3-login {
  inet_listener pop3 {
    port = 110
  }
  inet_listener pop3s {
    port = 995
    ssl = yes
  }
}

service lmtp {
  unix_listener /var/spool/postfix/private/dovecot-lmtp {
    group = postfix
    mode = 0666
    user = postfix
  }
}

service imap {
}

service pop3 {
}

service auth {
  unix_listener auth-userdb {
    mode = 0666
    user = vmail
    group = vmail
  }

  # Postfix smtp-auth
  unix_listener /var/spool/postfix/private/auth {
    mode = 0660
    user = postfix
    group = postfix
  }
}

service auth-worker {
}

service dict {
  unix_listener dict {
  }
}

dovecot-10-ssl.conf

ssl = yes

ssl_cert = </etc/postfix/ssl/mail.example.com.pem
ssl_key  = </etc/postfix/ssl/mail.example.com.pem

ssl_require_crl = no

dovecot-15-lda.conf

postmaster_address = [email protected]
hostname = mail.example.com
quota_full_tempfail = yes
recipient_delimiter = +
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes

protocol lda {
  mail_plugins = $mail_plugins sieve quota
}

dovecot-20-imap.conf

protocol imap {
  mail_plugins = $mail_plugins quota imap_quota
}

dovecot-20-lmtp.conf

protocol lmtp {
    postmaster_address = [email protected]
    mail_plugins = quota sieve
}

dovecot-20-managesieve.conf

service managesieve-login {
  inet_listener sieve {
    port = 4190
  }

  service_count = 1
}

service managesieve {
}

protocol sieve {
}

dovecot-20-pop3.conf

protocol pop3 {
  mail_plugins = $mail_plugins quota
}

dovecot-auth-sql.conf.ext

passdb {
  driver = sql
  args = /etc/dovecot/dovecot-sql.conf.ext
}

userdb {
  driver = prefetch
}

userdb {
  driver = sql
  args = /etc/dovecot/dovecot-sql.conf.ext
}

dovecot-sql.conf.ext

driver = mysql

connect = host=localhost user=vimbadmin password=password dbname=vimbadmin
default_pass_scheme = MD5

password_query = SELECT username as user, password as password, \
        homedir AS home, maildir AS mail, \
        concat('*:bytes=', quota) as quota_rule, uid, gid \
    FROM Mailbox \
        WHERE username = '%Lu' AND active = '1' \
            AND ( access_restriction = 'ALL' OR LOCATE( access_restriction, '%Us' ) > 0 )

user_query = SELECT homedir AS home, maildir AS mail, \
        concat('*:bytes=', quota) as quota_rule, uid, gid \
    FROM Mailbox WHERE username = '%u'

dovecot.conf

!include_try /usr/share/dovecot/protocols.d/*.protocol
!include conf.d/*.conf
!include_try local.conf

postfix-main.cf

# Sample Postfix configuration for use with ViMbAdmin :: Virtual Mailbox Administration
#
# See: https://github.com/opensolutions/ViMbAdmin
#
# By Barry O'Donovan - 2014-02 - http://www.barryodonovan.com/

# See /usr/share/postfix/main.cf.dist for a commented, more complete version

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file = /etc/postfix/ssl/mail.example.com.pem
smtpd_tls_key_file = /etc/postfix/ssl/mail.example.com.pem
smtpd_use_tls = yes
smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_scache
smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_scache
smtpd_tls_loglevel = 1
smtpd_tls_auth_only = yes
smtpd_tls_dh1024_param_file = /etc/postfix/dh_1024.pem
smtpd_tls_dh512_param_file = /etc/postfix/dh_512.pem
smtpd_tls_eecdh_grade = strong

myhostname = mail.example.com

myorigin = mail.example.com

mydestination = localhost localhost.$mydomain

mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128

mailbox_size_limit = 0
recipient_delimiter = +

inet_protocols = all
inet_interfaces = all

notify_classes = resource, software
error_notice_recipient = [email protected]

# relay_domains =
# transport_maps = hash:/etc/postfix/transport


virtual_alias_maps = mysql:/etc/postfix/mysql/virtual_alias_maps.cf
virtual_gid_maps = static:2000
virtual_mailbox_base = /srv/vmail
virtual_mailbox_domains = mysql:/etc/postfix/mysql/virtual_domains_maps.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql/virtual_mailbox_maps.cf
virtual_minimum_uid = 2000
virtual_uid_maps = static:2000
#dovecot_destination_recipient_limit = 1
virtual_transport = lmtp:unix:private/dovecot-lmtp

smtpd_sasl_auth_enable = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
broken_sasl_auth_clients = yes


message_size_limit = 40000000
home_mailbox = Maildir/
smtpd_sasl_authenticated_header = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain = $myhostname
#mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/dovecot.conf -m "${EXTENSION}"

smtp_use_tls = yes
smtpd_tls_received_header = yes
smtpd_tls_mandatory_protocols = SSLv3, TLSv1
smtpd_tls_mandatory_ciphers = medium
tls_random_source = dev:/dev/urandom


smtpd_recipient_restrictions =
	reject_unknown_sender_domain,
	reject_unknown_recipient_domain,
	reject_unauth_pipelining,
	permit_mynetworks,
	permit_sasl_authenticated,
	reject_unauth_destination
#       reject_non_fqdn_hostname,
#       reject_invalid_hostname

#smtpd_helo_restrictions =
#       check_helo_access hash:/etc/postfix/ehlo_whitelist,
#       reject_non_fqdn_hostname,
#       reject_invalid_hostname
#       check_helo_access hash:/etc/postfix/ehlo_whitelist,
#       reject_unknown_helo_hostname

smtpd_helo_required = yes

smtpd_sender_restrictions =
	reject_unknown_sender_domain
#        check_sender_access hash:/etc/postfix/sender_access,

smtpd_data_restrictions =
        reject_unauth_pipelining

smtpd_client_restrictions =
        permit_sasl_authenticated
#        check_client_access hash:/etc/postfix/client_access,
#        reject_rbl_client zen.spamhaus.org

postfix-mysql-virtual_alias_maps.cf

user = vimbadmin
password = password
hosts = 127.0.0.1
dbname = vimbadmin
query = SELECT goto FROM alias WHERE address = '%s' AND active = '1'

postfix-mysql-virtual_domains_maps.cf

user = vimbadmin
password = password
hosts = 127.0.0.1
dbname = vimbadmin
query = SELECT domain FROM domain WHERE domain = '%s' AND backupmx = '0' AND active = '1'

postfix-mysql-virtual_mailbox_maps.cf

user = vimbadmin
password = password
hosts = 127.0.0.1
dbname = vimbadmin
table = mailbox
select_field = maildir
where_field = username

postfix-mysql-virtual_transport_maps.cf

user = vimbadmin
password = password
hosts = 127.0.0.1
dbname = vimbadmin
table = domain
select_field = transport
where_field = domain
additional_conditions = and backupmx = '0' and active = '1'