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Clansphere - SMTP Probleme

Ozone

New Member
Guten Abend,
ich habe mich hier schon ein wenig durchgefuchst aber konnte leider kaum hilfreiches finden bzw sind alle Maßnahmen gescheitert.
Nun wende ich mich an Euch...

Ich betreibe einen VPS mit Debian 8.8.
Ich habe Postfix auf dem System laufen, jedoch verbleiben Mails, die ich z.B. für die HP benutze (PW anfordern, Bestätigungsemails,etc) in der Warteschlange und werden nicht weiter gesendet....

Ich klatsche einfach mal den Log des letzten versuches hier rein:
Code:
Sep  2 00:14:47 dnr-clan dovecot: imap-login: Login: user=<noreply@dnr-clan.de>, method=DIGEST-MD5, rip=::1, lip=::1, mpid=14428, secured, session=<QPvIFihYLLQAAAAAAAAAAAAAAAAAAAAB>
Sep  2 00:14:47 dnr-clan dovecot: service=imap, user=noreply@dnr-clan.de, ip=[::1]. Logged out rcvd=50, sent=505
Sep  2 00:15:01 dnr-clan plesk sendmail[14457]: Unable to get sender domain by sender mailname
Sep  2 00:15:01 dnr-clan plesk sendmail[14457]: handlers_stderr: SKIP
Sep  2 00:15:01 dnr-clan plesk sendmail[14457]: SKIP during call 'check-quota' handler
Sep  2 00:15:01 dnr-clan plesk sendmail[14457]: Unable to get sender domain by sender mailname
Sep  2 00:15:01 dnr-clan plesk sendmail[14457]: Incorrect recipient mailname : root
Sep  2 00:15:47 dnr-clan dovecot: imap-login: Login: user=<noreply@dnr-clan.de>, method=DIGEST-MD5, rip=::1, lip=::1, mpid=14581, secured, session=<J5VcGihYNbQAAAAAAAAAAAAAAAAAAAAB>
Sep  2 00:15:47 dnr-clan dovecot: service=imap, user=noreply@dnr-clan.de, ip=[::1]. Logged out rcvd=50, sent=505
Sep  2 00:16:05 dnr-clan plesk sendmail[14588]: handlers_stderr: SKIP
Sep  2 00:16:05 dnr-clan plesk sendmail[14588]: SKIP during call 'check-quota' handler
Sep  2 00:16:05 dnr-clan plesk sendmail[14588]: handlers_stderr: PASS
Sep  2 00:16:05 dnr-clan plesk sendmail[14588]: PASS during call 'dd51-domainkeys' handler
Sep  2 00:16:05 dnr-clan postfix/pickup[12890]: C68FD4180086: uid=10000 from=<gavin@dnr-clan.de>
Sep  2 00:16:05 dnr-clan postfix/cleanup[14595]: C68FD4180086: message-id=<20170901221605.C68FD4180086@dnr-clan.de>
Sep  2 00:16:05 dnr-clan postfix/qmgr[12891]: C68FD4180086: from=<gavin@dnr-clan.de>, size=1477, nrcpt=1 (queue active)
Sep  2 00:16:05 dnr-clan postfix/error[14597]: C68FD4180086: to=<gwinzler@web.de>, relay=none, delay=0.03, delays=0.02/0/0/0.01, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to mx-ha02.web.de[212.227.17.8]:25: Connection refused)

Fehlermeldung im Plesk dazu:
Code:
Received: by dnr-clan.de (Postfix, from userid 10000)
	id C68FD4180086; Sat,  2 Sep 2017 00:16:05 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dnr-clan.de;
	s=default; t=1504304165;
	bh=W7h7ZBwHjVQpCCh13DtVYPQ4BwAJPCkH9Gxkd+tYlH4=; l=560;
	h=To:Subject:From;
	b=oKVjbF+qFAGuc2uaxqgEhEKAiEJbX9VSqsdDla6FnuCRpCx0yuFJ4RGoulViSXmMK
	 Agmr+cO+vOthAVvUuO0tRz6qvHGGDCohE4tAsJSe8Kdi36kIElZ8MWKwdKhRFtapeu
	 u0WCyAw+3HKnt39esbCZqGFmcCdBtvh9Ub9cR1qs=
To: gwinzler@web.de
Subject: =?UTF-8?B?ZG5yLWNsYW4uZGUgLSBbRE5SXSBNdWx0aWdhbWluZyBDb21tdW5pdHkgTmV1ZXMgUGFzc3dvcnQ=?=
X-PHP-Originating-Script: 0:func_mail.php
From: noreply@dnr-clan.de
Reply-To: noreply@dnr-clan.de
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-Mailer: ClanSphere
Message-Id: <20170901221605.C68FD4180086@dnr-clan.de>
Date: Sat,  2 Sep 2017 00:16:05 +0200 (CEST)

Und einmal die main.cf
Code:
# 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/postfix/postfix_default.pem
smtpd_tls_key_file = $smtpd_tls_cert_file
smtpd_use_tls = yes
smtpd_tls_session_cache_database = btree:${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 = dnr-clan.de
alias_maps = hash:/etc/aliases, hash:/var/spool/postfix/plesk/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = localhost.contabo.host, localhost, localhost.localdomain
relayhost = 
mynetworks = 
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
virtual_mailbox_domains = $virtual_mailbox_maps, hash:/var/spool/postfix/plesk/virtual_domains
virtual_alias_maps = $virtual_maps, hash:/var/spool/postfix/plesk/virtual
virtual_mailbox_maps = , hash:/var/spool/postfix/plesk/vmailbox
transport_maps = , hash:/var/spool/postfix/plesk/transport
smtpd_tls_security_level = may
smtp_tls_security_level = may
smtp_use_tls = no
smtpd_timeout = 3600s
smtpd_proxy_timeout = 3600s
disable_vrfy_command = yes
smtpd_sender_restrictions = check_sender_access hash:/var/spool/postfix/plesk/blacklists, permit_sasl_authenticated
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated
smtp_send_xforward_command = yes
smtpd_authorized_xforward_hosts = 127.0.0.0/8 [::1]/128
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
virtual_mailbox_base = /var/qmail/mailnames
virtual_uid_maps = static:30
virtual_gid_maps = static:31
smtpd_milters = , inet:127.0.0.1:12768
sender_dependent_default_transport_maps = hash:/var/spool/postfix/plesk/sdd_transport_maps
virtual_transport = plesk_virtual
plesk_virtual_destination_recipient_limit = 1
mailman_destination_recipient_limit = 1
virtual_mailbox_limit = 0
smtpd_tls_ciphers = medium
smtpd_tls_mandatory_ciphers = medium
tls_medium_cipherlist = HIGH:!aNULL:!MD5
smtpd_tls_mandatory_protocols = TLSv1 TLSv1.1 TLSv1.2
smtpd_tls_protocols = TLSv1 TLSv1.1 TLSv1.2
message_size_limit = 0


Könnt ihr mir weiterhelfen bzw den Fehler mit mir korrigieren?
Danke schonmal für jegliche Hilfe!
 
ReverseDNS stimmt nicht.

~ # nslookup dnr-clan.de. 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
Name: dnr-clan.de
Address: 79.143.191.192

~ # nslookup 79.143.191.192 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
192.191.143.79.in-addr.arpa name = vmd8585.contabo.host.

Authoritative answers can be found from:

Du musst bei deinem Domainanbieter bei der ReverseDNS für die IP auch den sinnvollen Hostname deines Servers eintragen.
Und der sollte nicht auf einen generischer Hostname wie …contabo.host lauten, sondern eher sowas wie server1.dnr-clan.de oder ähnlich.

WIe lautet der hostname auf dem Server? Rufe doch mal auf:
hostname -A
 
Last edited by a moderator:
Alles klar. Danke einmal für deine Hilfe.

Der Hostname lautet momentan wie folgt:
Code:
# hostname -A
dnr-clan.de vmd8585.contabo.host

Im Anhang ist mal die Verwaltungsseite mit den RDNS
 

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