Nov 19 19:00:43 mail dovecot: imap-login: Aborted login (no auth attempts in 0 secs): user=<>, rip=145.eineip, lip=188nocheineip, session=<mSW4Swh71NCR/idK>
Nov 19 19:01:03 mail dovecot: imap-login: Disconnected (auth failed, 3 attempts in 14 secs): user=<test>, method=PLAIN, rip=145.eineip, lip=188.eineip, session=<omsPTAh71tCR/idK>
Nov 19 19:01:29 mail dovecot: imap-login: Disconnected (auth failed, 3 attempts in 26 secs): user=<test@domain.eu>, method=PLAIN, rip=145.weitereip, lip=188.nochip, session=<wq7fTAh719CR/idK>

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

# Change this to where your mail root is, this needs to match whatever structure postfix expects....
# See also: https://wiki.dovecot.org/MailLocation - %d domain, %u full username, %n user part (%u with no domain)
mail_location = maildir:/var/mail/vmail/%u/

namespace inbox {
inbox = yes
location =
mailbox Drafts {
special_use = Drafts
}
mailbox Junk {
special_use = Junk
}
mailbox Sent {
special_use = Sent
}
mailbox "Sent Messages" {
special_use = Sent
}
mailbox Trash {
special_use = Trash
}
prefix =
}

protocols = "imap pop3"
# change to 'no' if you don't have ssl cert/keys, and comment out ssl_cert/ssl_key
ssl = no
#ssl_cert = </etc/letsencrypt/live/mail.domain.eu/cert.pem
#ssl_key = </etc/letsencrypt/live/mail.domain.eu/privkey.pem

# login is for outlook express smtpd auth
auth_mechanisms = plain login

# If you're having trouble, try uncommenting these :
#auth_debug = yes
#auth_debug_passwords = yes

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

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

# Uncomment this if you want Postfix to be able to do smtpd auth through dovecot
# At a minimum Postfix probably needs : smtpd_sasl_type = dovecot
# And additionally: smtpd_sasl_path = private/auth
service auth {
unix_listener /var/spool/postfix/private/auth {
    mode = 0660
    user = postfix
    group = postfix
}
}

# Needs to match Postfix virtual_uid_maps
first_valid_uid = 1001

# allow plaintext auth (change to 'yes' to block plaintext passwords)
disable_plaintext_auth = no

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


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $domain 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

# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
# fresh installs.
compatibility_level = 2

# TLS parameters
#smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
#smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=no
#smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
#smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = mail
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = mail.domain.eu, localhost.domain.eu, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.0.0/24
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all

#######
virtual_mailbox_domains = proxy:mysql:/etc/postfix/sql/mysql_virtual_domains_maps.cf
virtual_alias_maps =
proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf,
proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_maps.cf,
proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf
virtual_mailbox_maps =
proxy:mysql:/etc/postfix/sql/mysql_virtual_mailbox_maps.cf,
proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_mailbox_maps.cf
# if you let postfix store your mails directly (without using maildrop, dovecot deliver etc.)
#virtual_mailbox_base = /var/mail/vmail
# Additional for quota support
virtual_create_maildirsize = yes
virtual_mailbox_extended = yes
#virtual_mailbox_limit_maps = proxy:mysql:/etc/postfix /sql/mysql_virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_maildir_limit_message = Sorry, the user's maildir has overdrawn his diskspace quota, please try again later.
virtual_overquota_bounce = yes