Postfix Config-Problem für Kopano

# 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 = $myhostname ESMTP $mail_name (Debian/GNU)
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/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_cert_file=/etc/letsencrypt/live/example.me/cert.pem
#smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_key_file=/etc/letsencrypt/live/example.me/privkey.pem
smtpd_tls_CAfile = /etc/letsencrypt/live/example.me/chain.pem
smtpd_use_tls=yes
smtpd_enforce_tls = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

smtp_tls_security_level=may
smtp_tls_cert_file=/etc/letsencrypt/live/example.me/cert.pem
smtp_tls_key_file=/etc/letsencrypt/live/example.me/privkey.pem
smtp_tls_CAfile = /etc/letsencrypt/live/example.me/chain.pem
smtp_use_tls = yes

smtpd_tls_dh1024_param_file = /etc/letsencrypt/live/example.me/dh_2048.pem
#tls_high_cipherlist=EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA
tls_high_cipherlist=EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA
tls_random_source = dev:/dev/urandom
tls_random_bytes = 128
tls_daemon_random_bytes = 64
tls_preempt_cipherlist = yes
smtpd_tls_mandatory_protocols = !SSLv2 !SSLv3
smtp_tls_mandatory_protocols = !SSLv2 !SSLv3
smtp_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_protocols = !SSLv2 !SSLv3
smtpd_tls_security_level = may
smtpd_tls_auth_only = yes
smtpd_tls_ciphers = medium
smtpd_tls_mandatory_ciphers = high
smtpd_tls_eecdh_grade = strong

# 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 = example.me
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
#mydestination = www.example.me, example.me, localhost.example.me, localhost
mydestination = $myhostname, localhost.$mydomain, $mydomain
relayhost = 
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
#mailbox_command = procmail -a "$EXTENSION" 
#mailbox_command = kopano-dagent "$USER" 
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = ipv4

virtual_mailbox_domains = example.me
virtual_mailbox_maps = ldap:/etc/postfix/ldap-users.cf
virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf
virtual_transport = lmtp:127.0.0.1:2003

ar  5 12:02:33 hetzner-cloud postfix/master[5456]: daemon started -- version 2.11.3, configuration /etc/postfix
Mar  5 12:03:00 hetzner-cloud postfix/smtpd[5480]: connect from mail-ua0-f173.google.com[209.85.217.173]
Mar  5 12:03:01 hetzner-cloud postfix/trivial-rewrite[5484]: warning: do not list domain example.me in BOTH mydestination and virtual_mailbox_domains
Mar  5 12:03:01 hetzner-cloud postfix/smtpd[5480]: NOQUEUE: reject: RCPT from mail-ua0-f173.google.com[209.85.217.173]: 550 5.1.1 <test@example.me>: Recipient address rejected: User unknown in local recipient table; from=<test@google.com> to=<test@example.me> proto=ESMTP helo=<mail-ua0-f173.google.com>
Mar  5 12:03:01 hetzner-cloud postfix/smtpd[5480]: disconnect from mail-ua0-f173.google.com[209.85.217.173]

server_host = s1.example.me
search_base = CN=Users,DC=example,DC=me
version = 3
bind = yes
bind_dn = CN=user,CN=Users,DC=example,DC=me
bind_pw = <password>
scope = sub
query_filter = (&(objectClass=user)(mail=%s))
result_attribute = mail

server_host = s1.example.me
search_base = CN=Users,DC=example,DC=me
version = 3
bind = yes
bind_dn = CN=user,CN=Users,DC=example,DC=me
bind_pw = <password>
scope = sub
query_filter = (&(objectClass=user)(otherMailbox=%s))
result_attribute = mail