keine Namensauflösung bei internen Mails mit e-Mail Clients

Debian macht sich hervorragend als Web- und Mailserver. Schau auch in den " Tipps und Tricks"-Bereich.
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LuckyL
Beiträge: 1
Registriert: 05.05.2018 09:08:32

keine Namensauflösung bei internen Mails mit e-Mail Clients

Beitrag von LuckyL » 07.05.2018 16:25:56

Hallo,
ich bin mit meinen Mailserver von debian 7 nach debian 9 umgezogen.
Jetzt habe ich das Problem, dass mails die an interne adressen oder verteiler gerichtet sind, nicht zugestellt werden, wenn ich diese per mail Client (z.B evolutuon, Mail oder outlooc) verschicke.
Ein versand an externe Adressen ist kein problem.
Auch wenn ich per telnet oder SOGo an eine interne Adresse schreibe wird die mail zugestellt.

Hat einer eine Idee was ich mir da noch ein mal genauer angucken sollte?

postconf -n gibt:


alias_maps = proxy:ldap:/etc/postfix/ldap-aliases.cf
append_dot_mydomain = no
best_mx_transport = local
biff = no
broken_sasl_auth_clients = yes
canonical_maps = proxy:ldap:/etc/postfix/ldap-canonical.cf
content_filter = amavis:[127.0.0.1]:10024
delay_warning_time = 4h
disable_vrfy_command = yes
dovecot_destination_recipient_limit = 1
ignore_mx_lookup_error = yes
inet_interfaces = all
mailbox_command =
mailbox_size_limit = 0
mailbox_transport = dovecot
message_size_limit = 500000000
mydestination = my.server.biz, neo, localhost.localdomain, localhost, ldap:/etc/postfix/ldap-mydestinations.cf, ldap:/etc/postfix/ldap-mydestinations-dns.cf
myhostname = my.server.biz
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 5.x.yyy.zzz/32 88.aa.bb.cc/32
myorigin = /etc/mailname
policy-spf_time_limit = 3600s
queue_minfree = 1000000000
readme_directory = no
recipient_delimiter = +
relay_domains = proxy:ldap:/etc/postfix/ldap-relay.cf
relayhost =
smtp_generic_maps = proxy:ldap:/etc/postfix/ldap-generics.cf
smtp_tls_loglevel = 5
smtp_tls_mandatory_protocols = !SSLv3
smtp_tls_protocols = !SSLv3
smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
smtpd_banner = server.biz mail server. Unbefugte Benutzung verboten; ESMTP
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_delay_reject = yes
smtpd_error_sleep_time = 1s
smtpd_hard_error_limit = 20
smtpd_helo_required = yes
smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, reject_unknown_helo_hostname, permit
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, check_client_access hash:/etc/postfix/rbl_override, reject_unauth_destination, check_policy_service unix:private/policy-spf, permit_dnswl_client list.dnswl.org, reject_rbl_client ix.dnsbl.manitu.net, reject_rbl_client zen.spamhaus.orp, reject_rbl_client sbl.spamhaus.org, reject_rbl_client bl.spamcop.net, reject_rbl_client blackholes.easynet.nl, reject_rbl_client dialup.blacklist.jippg.org, reject_rbl_client blackholes.mail-abuse.org, reject_rbl_client relays.mail-abuse.org, reject_rbl_client socks.dnsbl.sorbs.net, reject_rbl_client http.dnsbl.sorbs.net, reject_rbl_client misc.dnsbl.sorbs.net, reject_rbl_client web.dnsbl.sorbs.net, reject_rbl_client dul.dnsbl.sorbs.net, reject_rbl_client zombie.dnsbl.sorbs.net, reject_rbl_client b.barracudacentral.org, reject_rhsbl_sender cart00ney.surriel.com, reject_rhsbl_sender in.dnsbl.org, reject_rbl_client dyna.spamrats.com, reject_rbl_client spam.spamrats.com, reject_rbl_client backscatter.spameatingmonkey.net, reject_rbl_client bl.spameatingmonkey.net, reject_rhsbl_sender fresh.spameatingmonkey.net, reject_rhsbl_client fresh.spameatingmonkey.net, reject_rhsbl_sender uribl.spameatingmonkey.net, reject_rhsbl_client uribl.spameatingmonkey.net, reject_rhsbl_sender urired.spameatingmonkey.net, reject_rhsbl_client urired.spameatingmonkey.net, permit
smtpd_sasl_path = private/auth
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unknown_sender_domain
smtpd_soft_error_limit = 10
smtpd_tls_cert_file = /etc/ssl/thawte/public_and_intermediate.crt
smtpd_tls_key_file = /etc/ssl/thawte/private.key
smtpd_tls_mandatory_protocols = !SSLv3
smtpd_tls_protocols = !SSLv3
smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
smtpd_use_tls = yes
transport_maps = proxy:ldap:/etc/postfix/ldap-relay.cf
virtual_alias_maps = ldap:/etc/postfix/ldap-virtual.cf, proxy:ldap:/etc/postfix/ldap-aliases.cf
virtual_mailbox_maps = proxy:ldap:/etc/postfix/ldap-virtual.cf

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