Postfix Fehler 250

Hi,

also ich kann dir mails schicken:
Code:
[root@mail(asterix):~] telnet mx.utopano.de 25
Trying 5.1.82.41...
Connected to mx.utopano.de.
Escape character is '^]'.
220 mx.utopano.de ESMTP Postfix (Debian/GNU)
EHLO mail.fraho.eu
250-mx.utopano.de
250-PIPELINING
250-SIZE 50000000
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
MAIL FROM bratkartoffel-tutorials@fraho.eu
501 5.5.4 Syntax: MAIL FROM:<address>
MAIL FROM:<bratkartoffel-tutorials@fraho.eu>
250 2.1.0 Ok
RCPT TO:<root@utopano.de>
250 2.1.5 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
From: bratkartoffel-tutorials@fraho.eu
To: root@utopano.de
Subject: Test

Servus
.
250 2.0.0 Ok: queued as 1DB1F102047E
QUIT
221 2.0.0 Bye
Connection closed by foreign host.
Meine Testmail kam aber mit folgendem Fehler zurück: "X-Postfix; unknown user: "root@utopano.de""

Anonymer relay geht auch nicht (gut):
Code:
[root@mail(asterix):~] telnet mx.utopano.de 25
Trying 5.1.82.41...
Connected to mx.utopano.de.
Escape character is '^]'.
220 mx.utopano.de ESMTP Postfix (Debian/GNU)
EHLO mail.fraho.eu
250-mx.utopano.de
250-PIPELINING
250-SIZE 50000000
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
MAIL FROM: <root@utopano.de>
250 2.1.0 Ok
RCPT TO: <test@fraho.eu>
554 5.7.1 <test@fraho.eu>: Relay access denied
QUIT
221 2.0.0 Bye
Connection closed by foreign host.

SSL läuft auch:
Code:
[root@mail(asterix):~] openssl s_client -connect mx.utopano.de:25 -starttls smtpCONNECTED(00000003)
depth=0 O = "CloudFlare, Inc.", OU = CloudFlare Origin CA, CN = CloudFlare Origin Certificate
verify error:num=20:unable to get local issuer certificate
verify return:1
depth=0 O = "CloudFlare, Inc.", OU = CloudFlare Origin CA, CN = CloudFlare Origin Certificate
verify error:num=27:certificate not trusted
verify return:1
depth=0 O = "CloudFlare, Inc.", OU = CloudFlare Origin CA, CN = CloudFlare Origin Certificate
verify error:num=21:unable to verify the first certificate
verify return:1
---
Certificate chain
 0 s:/O=CloudFlare, Inc./OU=CloudFlare Origin CA/CN=CloudFlare Origin Certificate
   i:/C=US/O=CloudFlare, Inc./OU=CloudFlare Origin SSL Certificate Authority/L=San Francisco/ST=California
---
Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=/O=CloudFlare, Inc./OU=CloudFlare Origin CA/CN=CloudFlare Origin Certificate
issuer=/C=US/O=CloudFlare, Inc./OU=CloudFlare Origin SSL Certificate Authority/L=San Francisco/ST=California
---
No client certificate CA names sent
---
SSL handshake has read 2039 bytes and written 450 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES256-GCM-SHA384
    Session-ID: <SNIP>
    Session-ID-ctx:
    Master-Key: <SNIP>
    Key-Arg   : None
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 7200 (seconds)
    TLS session ticket:
          <SNIP>

    Start Time: 1467722386
    Timeout   : 300 (sec)
    Verify return code: 21 (unable to verify the first certificate)
---
250 DSN
EHLO mail.fraho.eu
250-mx.utopano.de
250-PIPELINING
250-SIZE 50000000
250-ETRN
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
QUIT
DONE

=> Von aussen her keine Probleme erkennbar auf den ersten Blick.

Hast du die Authentifizierung beim SMTP schon per telnet versucht? ( https://www.ndchost.com/wiki/mail/test-smtp-auth-telnet )
Über welchen Port willst du Mails verschicken? (Was nimmt dein Mailprogramm her, 25 oder 587?)
Was meint dein Dovecot (der die Auth übernimmt?)

Ach ja, und 250 ist kein Fehler, das bedeutet OK ;)

Grüsse,
BK
 
Hi,

normale Clients sollten nicht über Port 25, sondern über 587 (submission) gehen. Dieser Port ist nur für authentifizierte Clients gedacht, wohingegen andere Server über Port 25 kommen. Somit lassen sich Spamfilter, Zugangsbeschränkungen und ähnliches leichter / besser konfigurieren. Zum Beispiel der HELO hostname, manche Clients (Outlook?) melden sich mit "HELO mein-heimpc", was allerdings kein FQDN ist und somit je nach Konfiguration der smtpd_helo_restrictions abgelehnt werden.

Damit ich den Thread hier richtig verstehe: Der Mailversand funktioniert nicht? Also genauer gesagt die Authentifizierung über Dovecot? Dann würde ich hier eher die Logs von Dovecot anschauen, bzw. bei diesem das Debugging anschalten: http://wiki2.dovecot.org/Logging

Evtl hilft auch die postfix-Option "debug_peer_list = <Client-Ip>"

Grüsse,
BK
 
Zuletzt bearbeitet:
Hey @Bratkartoffel
ich habe es wie in deinen post #11 geschrieben ausgeführt jedoch kommt beim Schritt AUTH LOGIN dass:
Code:
AUTH LOGIN
503 5.5.1 Error: authentication not enabled

Liebe Grüße
Robert
 
Jul 6 14:39:26 utopano postfix/smtpd[3448]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:26 utopano postfix/smtpd[3448]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3443]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3443]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3447]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3447]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3444]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3444]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3405]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3405]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3446]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3446]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3406]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3406]: connect from unknown[95.79.52.88]
Jul 6 14:39:28 utopano postfix/smtpd[3756]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:28 utopano postfix/smtpd[3756]: connect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3452]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3452]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3449]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3449]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3442]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3442]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3453]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3453]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3427]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3427]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3437]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3437]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3436]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3436]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3448]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3448]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3447]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3447]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3444]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3444]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3443]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3443]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3388]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:30 utopano postfix/smtpd[3388]: connect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3405]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3405]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3446]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3446]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3406]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3406]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:32 utopano postfix/smtpd[3756]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:32 utopano postfix/smtpd[3756]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:32 utopano postfix/smtpd[3441]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:32 utopano postfix/smtpd[3441]: connect from unknown[95.79.52.88]
Jul 6 14:39:34 utopano postfix/smtpd[3388]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:34 utopano postfix/smtpd[3388]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:35 utopano postfix/smtpd[3450]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:35 utopano postfix/smtpd[3450]: connect from unknown[95.79.52.88]
Jul 6 14:39:35 utopano postfix/smtpd[3441]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:35 utopano postfix/smtpd[3441]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3440]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3440]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3755]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3755]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3451]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3451]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3439]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3439]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3377]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3377]: connect from unknown[95.79.52.88]
Jul 6 14:39:37 utopano postfix/smtpd[3454]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:37 utopano postfix/smtpd[3454]: connect from unknown[95.79.52.88]
Jul 6 14:39:37 utopano postfix/smtpd[3445]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:37 utopano postfix/smtpd[3445]: connect from unknown[95.79.52.88]
Jul 6 14:39:37 utopano postfix/smtpd[3435]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:37 utopano postfix/smtpd[3435]: connect from unknown[95.79.52.88]
Jul 6 14:39:26 utopano postfix/smtpd[3448]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:26 utopano postfix/smtpd[3448]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3443]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3443]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3447]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3447]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3444]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3444]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3405]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3405]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3446]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3446]: connect from unknown[95.79.52.88]
Jul 6 14:39:27 utopano postfix/smtpd[3406]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:27 utopano postfix/smtpd[3406]: connect from unknown[95.79.52.88]
Jul 6 14:39:28 utopano postfix/smtpd[3756]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:28 utopano postfix/smtpd[3756]: connect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3452]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3452]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3449]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3449]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3442]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3442]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3453]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3453]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3427]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3427]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3437]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3437]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3436]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:29 utopano postfix/smtpd[3436]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3448]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3448]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3447]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3447]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3444]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3444]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3443]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3443]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3388]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:30 utopano postfix/smtpd[3388]: connect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3405]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3405]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3446]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3446]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3406]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:30 utopano postfix/smtpd[3406]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:32 utopano postfix/smtpd[3756]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:32 utopano postfix/smtpd[3756]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:32 utopano postfix/smtpd[3441]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:32 utopano postfix/smtpd[3441]: connect from unknown[95.79.52.88]
Jul 6 14:39:34 utopano postfix/smtpd[3388]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:34 utopano postfix/smtpd[3388]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:35 utopano postfix/smtpd[3450]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:35 utopano postfix/smtpd[3450]: connect from unknown[95.79.52.88]
Jul 6 14:39:35 utopano postfix/smtpd[3441]: lost connection after AUTH from unknown[95.79.52.88]
Jul 6 14:39:35 utopano postfix/smtpd[3441]: disconnect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3440]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3440]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3755]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3755]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3451]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3451]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3439]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3439]: connect from unknown[95.79.52.88]
Jul 6 14:39:36 utopano postfix/smtpd[3377]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:36 utopano postfix/smtpd[3377]: connect from unknown[95.79.52.88]
Jul 6 14:39:37 utopano postfix/smtpd[3454]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:37 utopano postfix/smtpd[3454]: connect from unknown[95.79.52.88]
Jul 6 14:39:37 utopano postfix/smtpd[3445]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:37 utopano postfix/smtpd[3445]: connect from unknown[95.79.52.88]
Jul 6 14:39:37 utopano postfix/smtpd[3435]: warning: hostname 95x79x52x88.static-business.nn.ertelecom.ru does not resolve to address 95.79.52.88: Name or service not known
Jul 6 14:39:37 utopano postfix/smtpd[3435]: connect from unknown[95.79.52.88]
 
Hi,

bitte filtere dein Log. Mach eine eigene SSH-Session auf und da drin ein "tail -n0 -f /var/log/mail.log" und danach in einer anderen Session einen Login-Test. Danach hast du nur das Log von dem Test auf den Bildschirm und du kannst per Ctrl + C das tail abbrechen und später nochmal starten.

Hast du den Dovecot / Postfix auf debug geschaltet?

Die Meldungen oben haben mit dem Problem nichts zu tun. Das sind nur Hinweise, dass im DNS deines Providers was nicht stimmig ist (Kein Reverse DNS Eintrag):
Code:
[root@server:~] host 95.79.52.88
88.52.79.95.in-addr.arpa domain name pointer 95x79x52x88.static-business.nn.ertelecom.ru.
[root@server:~] host 95x79x52x88.static-business.nn.ertelecom.ru
Host 95x79x52x88.static-business.nn.ertelecom.ru not found: 3(NXDOMAIN)

Grüsse,
BK
 
hier @Bratkartoffel
Code:
Jul  6 15:09:42 utopano dovecot: imap-login: Login: user=<support@utopano.de>, m                                                                                        ethod=PLAIN, rip=5.1.82.41, lip=5.1.82.41, mpid=9458, secured, session=<T3Q7SPc2                                                                                        5AAFAVIp>
Jul  6 15:09:42 utopano dovecot: imap(support@utopano.de): Disconnected: Logged                                                                                         out in=82 out=568
Jul  6 15:09:43 utopano dovecot: imap-login: Login: user=<support@utopano.de>, m                                                                                        ethod=PLAIN, rip=5.1.82.41, lip=5.1.82.41, mpid=9460, secured, session=<NIFcSPc2                                                                                        IgAFAVIp>
Jul  6 15:09:43 utopano dovecot: imap(support@utopano.de): Disconnected: Logged                                                                                         out in=44 out=492
Jul  6 15:09:48 utopano dovecot: imap-login: Login: user=<support@utopano.de>, m                                                                                        ethod=PLAIN, rip=5.1.82.41, lip=5.1.82.41, mpid=9478, secured, session=<2HeRSPc2                                                                                        QQAFAVIp>
Jul  6 15:09:48 utopano dovecot: imap(support@utopano.de): Disconnected: Logged                                                                                         out in=157 out=689
Jul  6 15:09:48 utopano dovecot: imap-login: Login: user=<support@utopano.de>, m                                                                                        ethod=PLAIN, rip=5.1.82.41, lip=5.1.82.41, mpid=9479, secured, session=<K+aRSPc2                                                                                        QgAFAVIp>
Jul  6 15:09:48 utopano dovecot: imap(support@utopano.de): Disconnected: Logged                                                                                         out in=50 out=469
Jul  6 15:10:01 utopano postfix/pickup[5876]: 13A6210201A6: uid=0 from=<root>
Jul  6 15:10:01 utopano postfix/cleanup[7485]: 13A6210201A6: message-id=<2016070                                                                                        6131001.13A6210201A6@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/qmgr[575]: 13A6210201A6: from=<root@mx.utopano.d                                                                                        e>, size=647, nrcpt=1 (queue active)
Jul  6 15:10:01 utopano postfix/virtual[5458]: 13A6210201A6: to=<root@mx.utopano                                                                                        .de>, orig_to=<root>, relay=virtual, delay=0.04, delays=0.03/0.01/0/0, dsn=5.1.1                                                                                        , status=bounced (unknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/cleanup[9331]: 1CA8410201B3: message-id=<2016070                                                                                        6131001.1CA8410201B3@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/bounce[8166]: 13A6210201A6: sender non-delivery                                                                                         notification: 1CA8410201B3
Jul  6 15:10:01 utopano postfix/qmgr[575]: 1CA8410201B3: from=<>, size=2502, nrc                                                                                        pt=1 (queue active)
Jul  6 15:10:01 utopano postfix/pickup[5876]: 20F521020199: uid=0 from=<root>
Jul  6 15:10:01 utopano postfix/cleanup[7485]: 20F521020199: message-id=<2016070                                                                                        6131001.20F521020199@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/qmgr[575]: 13A6210201A6: removed
Jul  6 15:10:01 utopano postfix/qmgr[575]: 20F521020199: from=<root@mx.utopano.d                                                                                        e>, size=632, nrcpt=1 (queue active)
Jul  6 15:10:01 utopano postfix/pickup[5876]: 2228310201A6: uid=0 from=<root>
Jul  6 15:10:01 utopano postfix/cleanup[9331]: 2228310201A6: message-id=<2016070                                                                                        6131001.2228310201A6@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/virtual[1048]: 1CA8410201B3: to=<root@mx.utopano                                                                                        .de>, relay=virtual, delay=0.02, delays=0.02/0/0/0, dsn=5.1.1, status=bounced (u                                                                                        nknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/qmgr[575]: 2228310201A6: from=<root@mx.utopano.d                                                                                        e>, size=646, nrcpt=1 (queue active)
Jul  6 15:10:01 utopano postfix/qmgr[575]: 1CA8410201B3: removed
Jul  6 15:10:01 utopano postfix/virtual[5458]: 2228310201A6: to=<root@mx.utopano                                                                                        .de>, orig_to=<root>, relay=virtual, delay=0.02, delays=0.02/0/0/0, dsn=5.1.1, s                                                                                        tatus=bounced (unknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/virtual[32230]: 20F521020199: to=<root@mx.utopan                                                                                        o.de>, orig_to=<root>, relay=virtual, delay=0.01, delays=0.01/0/0/0, dsn=5.1.1,                                                                                         status=bounced (unknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/cleanup[7485]: 231D6102047C: message-id=<2016070                                                                                        6131001.231D6102047C@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/cleanup[9331]: 232B5102047D: message-id=<2016070                                                                                        6131001.232B5102047D@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/bounce[7219]: 2228310201A6: sender non-delivery                                                                                         notification: 231D6102047C
Jul  6 15:10:01 utopano postfix/bounce[7486]: 20F521020199: sender non-delivery                                                                                         notification: 232B5102047D
Jul  6 15:10:01 utopano postfix/qmgr[575]: 232B5102047D: from=<>, size=2487, nrc                                                                                        pt=1 (queue active)
Jul  6 15:10:01 utopano postfix/qmgr[575]: 20F521020199: removed
Jul  6 15:10:01 utopano postfix/qmgr[575]: 231D6102047C: from=<>, size=2501, nrc                                                                                        pt=1 (queue active)
Jul  6 15:10:01 utopano postfix/virtual[32230]: 231D6102047C: to=<root@mx.utopan                                                                                        o.de>, relay=virtual, delay=0, delays=0/0/0/0, dsn=5.1.1, status=bounced (unknow                                                                                        n user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/virtual[1048]: 232B5102047D: to=<root@mx.utopano                                                                                        .de>, relay=virtual, delay=0.01, delays=0/0/0/0, dsn=5.1.1, status=bounced (unkn                                                                                        own user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/qmgr[575]: 2228310201A6: removed
Jul  6 15:10:01 utopano postfix/qmgr[575]: 231D6102047C: removed
Jul  6 15:10:01 utopano postfix/qmgr[575]: 232B5102047D: removed
Jul  6 15:10:01 utopano postfix/pickup[5876]: 27BE510201A6: uid=0 from=<root>
Jul  6 15:10:01 utopano postfix/cleanup[7485]: 27BE510201A6: message-id=<2016070                                                                                        6131001.27BE510201A6@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/pickup[5876]: 294C41020199: uid=0 from=<root>
Jul  6 15:10:01 utopano postfix/cleanup[9331]: 294C41020199: message-id=<2016070                                                                                        6131001.294C41020199@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/qmgr[575]: 294C41020199: from=<root@mx.utopano.d                                                                                        e>, size=654, nrcpt=1 (queue active)
Jul  6 15:10:01 utopano postfix/qmgr[575]: 27BE510201A6: from=<root@mx.utopano.d                                                                                        e>, size=653, nrcpt=1 (queue active)
Jul  6 15:10:01 utopano postfix/virtual[5458]: 294C41020199: to=<root@mx.utopano                                                                                        .de>, orig_to=<root>, relay=virtual, delay=0.01, delays=0.01/0/0/0, dsn=5.1.1, s                                                                                        tatus=bounced (unknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/virtual[1048]: 27BE510201A6: to=<root@mx.utopano                                                                                        .de>, orig_to=<root>, relay=virtual, delay=0.02, delays=0.01/0/0/0, dsn=5.1.1, s                                                                                        tatus=bounced (unknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/cleanup[7485]: 2A63F10201B3: message-id=<2016070                                                                                        6131001.2A63F10201B3@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/cleanup[9331]: 2A6AD102047D: message-id=<2016070                                                                                        6131001.2A6AD102047D@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/bounce[8166]: 27BE510201A6: sender non-delivery                                                                                         notification: 2A63F10201B3
Jul  6 15:10:01 utopano postfix/bounce[7486]: 294C41020199: sender non-delivery                                                                                         notification: 2A6AD102047D
Jul  6 15:10:01 utopano postfix/qmgr[575]: 27BE510201A6: removed
Jul  6 15:10:01 utopano postfix/qmgr[575]: 2A63F10201B3: from=<>, size=2508, nrc                                                                                        pt=1 (queue active)
Jul  6 15:10:01 utopano postfix/qmgr[575]: 294C41020199: removed
Jul  6 15:10:01 utopano postfix/qmgr[575]: 2A6AD102047D: from=<>, size=2509, nrc                                                                                        pt=1 (queue active)
Jul  6 15:10:01 utopano postfix/virtual[1048]: 2A6AD102047D: to=<root@mx.utopano                                                                                        .de>, relay=virtual, delay=0.01, delays=0.01/0/0/0, dsn=5.1.1, status=bounced (u                                                                                        nknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/virtual[5458]: 2A63F10201B3: to=<root@mx.utopano                                                                                        .de>, relay=virtual, delay=0.01, delays=0.01/0/0/0, dsn=5.1.1, status=bounced (u                                                                                        nknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/qmgr[575]: 2A6AD102047D: removed
Jul  6 15:10:01 utopano postfix/qmgr[575]: 2A63F10201B3: removed
 
Hi,

folgende Ausschnitte sind relveant:
Code:
Jul  6 15:09:42 utopano dovecot: imap-login: Login: user=<support@utopano.de>, method=PLAIN, rip=5.1.82.41, lip=5.1.82.41, mpid=9458, secured, session=<T3Q7SPc25AAFAVIp>
Jul  6 15:09:42 utopano dovecot: imap(support@utopano.de): Disconnected: Logged out in=82 out=568
...
Jul  6 15:10:01 utopano postfix/pickup[5876]: 13A6210201A6: uid=0 from=<root>
Jul  6 15:10:01 utopano postfix/cleanup[7485]: 13A6210201A6: message-id=<20160706131001.13A6210201A6@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/qmgr[575]: 13A6210201A6: from=<root@mx.utopano.de>, size=647, nrcpt=1 (queue active)
Jul  6 15:10:01 utopano postfix/virtual[5458]: 13A6210201A6: to=<root@mx.utopano.de>, orig_to=<root>, relay=virtual, delay=0.04, delays=0.03/0.01/0/0, dsn=5.1.1, status=bounced (unknown user: "root@mx.utopano.de")
Jul  6 15:10:01 utopano postfix/bounce[8166]: 13A6210201A6: sender non-delivery notification: 1CA8410201B3
Jul  6 15:10:01 utopano postfix/qmgr[575]: 13A6210201A6: removed
... daraus entsteht ein Bounce ...
Jul  6 15:10:01 utopano postfix/bounce[8166]: 13A6210201A6: sender non-delivery notification: 1CA8410201B3
Jul  6 15:10:01 utopano postfix/cleanup[9331]: 1CA8410201B3: message-id=<20160706131001.1CA8410201B3@mx.utopano.de>
Jul  6 15:10:01 utopano postfix/qmgr[575]: 1CA8410201B3: from=<>, size=2502, nrcpt=1 (queue active)
Jul  6 15:10:01 utopano postfix/qmgr[575]: 1CA8410201B3: removed

Das Logging ist zwar immer noch nicht auf debug (Services neu gestartet?), aber immerhin sieht man jetzt mal folgendes:
- Dein Client macht einen Login mit username "support@utopano.de" und der scheint zu klappen
- Du versucht per Console (ich denk mal mail / sendmail) eine Mail zu schicken, von root aus
- Die Mail ist adressiert an "root", was nach "root@mx.utopano.de" aufgelöst wird
- In der virtuellen User Tabelle findet er aber den "root@mx.utopano.de" nicht, womit ein Bounce ausgelöst wird

Wenn ich von aussen versuche eine Mail an den support@... zu schicken, meldet er mir einen Fehler:
Code:
[root@server:~] telnet mx.utopano.de 25
Trying 5.1.82.41...
Connected to mx.utopano.de.
Escape character is '^]'.
220 mx.utopano.de ESMTP Postfix (Debian/GNU)
EHLO fraho.eu
250-mx.utopano.de
250-PIPELINING
250-SIZE 50000000
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
MAIL FROM:<test@fraho.eu>
250 2.1.0 Ok
RCPT TO:<support@utopano.de>
550 5.1.1 <support@utopano.de>: Recipient address rejected: User unknown in local recipient table

Bitte schalte das debugging ein, dann müsste man eigl auch sehen, warum er den Namen nicht auflösen kann. Evtl stimmt der Select in den MySQL-Configs nicht?

Grüsse,
BK
 
@Bratkartoffel nach debug liefert dovecot das:
Code:
Jul  6 15:34:07 utopano dovecot: auth-worker(12806): pam(support@utopano.de,meineIp): pam_authenticate() failed: Authentication failure (password mismatch?)
Jul  6 15:34:07 utopano dovecot: auth-worker(12806): pam(support@utopano.de,meineIp): unknown user
Jul  6 15:34:07 utopano dovecot: imap-login: Login: user=<support@utopano.de>, method=PLAIN, rip=meineIp, lip=meineIp, mpid=12814, secured, session=<JqqTn/c20QAFAVIp>
Jul  6 15:34:07 utopano dovecot: imap(support@utopano.de): Disconnected: Logged out in=82 out=568
Jul  6 15:34:10 utopano dovecot: auth-worker(12806): pam(support@utopano.de,meineIp): pam_authenticate() failed: Authentication failure (password mismatch?)
Jul  6 15:34:10 utopano dovecot: auth-worker(12806): pam(support@utopano.de,meineIp): unknown user
Jul  6 15:34:10 utopano dovecot: imap-login: Login: user=<support@utopano.de>, method=PLAIN, rip=meineIp, lip=meineIp, mpid=12818, secured, session=<UVi6n/c2EgAFAVIp>
Jul  6 15:34:10 utopano dovecot: imap(support@utopano.de): Disconnected: Logged out in=44 out=492
Jul  6 15:34:15 utopano dovecot: auth-worker(12806): pam(support@utopano.de,meineIp): pam_authenticate() failed: Authentication failure (password mismatch?)
Jul  6 15:34:15 utopano dovecot: auth-worker(12806): pam(support@utopano.de,meineIp): unknown user
Jul  6 15:34:15 utopano dovecot: imap-login: Login: user=<support@utopano.de>, method=PLAIN, rip=meineIp, lip=meineIp, mpid=12834, secured, session=<O0YHoPc2XwAFAVIp>
Jul  6 15:34:15 utopano dovecot: imap(support@utopano.de): Disconnected: Logged out in=157 out=689
Jul  6 15:34:15 utopano dovecot: auth-worker(12825): pam(support@utopano.de, meineIp): pam_authenticate() failed: Authentication failure (password mismatch?)
Jul  6 15:34:15 utopano dovecot: auth-worker(12806): pam(support@utopano.de,meineIp): unknown user
Jul  6 15:34:15 utopano dovecot: imap-login: Login: user=<support@utopano.de>, method=PLAIN, rip=meineIp, lip=meineIp, mpid=12835, secured, session=<2MMHoPc2YAAFAVIp>
Jul  6 15:34:15 utopano dovecot: imap(support@utopano.de): Disconnected: Logged out in=50 out=469
 
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