Hallo Zusammen,
leider funktioniert mein Sendmail nicht mehr auf meinem Webserver. Ich habe auf dem Webserver keinen Mailserver (Dovecot etc.) am laufen. Ich habe lediglich Postfix installiert und bei der Installation "Internet Site" ausgewählt und dann den Namen des Servers eingegeben.
Leider bekomme ich immer wieder Fehler
Die Empfänger und Sender Domains liegen alles auf einem anderem Server im ISPConfig Cluster, der der eigentliche Mailserver ist (Dovecot, Postfix etc.)
leider funktioniert mein Sendmail nicht mehr auf meinem Webserver. Ich habe auf dem Webserver keinen Mailserver (Dovecot etc.) am laufen. Ich habe lediglich Postfix installiert und bei der Installation "Internet Site" ausgewählt und dann den Namen des Servers eingegeben.
Leider bekomme ich immer wieder Fehler
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/pickup[4604]: 7ACE4E0DDB: uid=1013 from=<SENDER@DOMAIN.TLD>
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/cleanup[5220]: 7ACE4E0DDB: message-id=<20220201194231.7ACE4E0DDB@ISP06-DE-NBG1.DOMAIN.de>
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/qmgr[4605]: 7ACE4E0DDB: from=<SENDER@DOMAIN.TLD>, size=342, nrcpt=1 (queue active)
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/smtp[5222]: 7ACE4E0DDB: to=<EMPFÄNGER@DOMAIN.TLD>, relay=MAILSERVER AUS ISPCONFIG CLUSTER[IPV6]:25, delay=0.27, delays=0.03/0.04/0.12/0.08, dsn=5.1.0, status=bounced (host MAILSERVER AUS ISPCONFIG CLUSTER[IPV6] said: 550 5.1.0 <SENDER@DOMAIN.TLD>: Sender address rejected: User unknown in virtual mailbox table (in reply to RCPT TO command))
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/cleanup[5220]: BA1F6E0DDC: message-id=<20220201194231.BA1F6E0DDC@ISP06-DE-NBG1.DOMAIN.de>
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/qmgr[4605]: BA1F6E0DDC: from=<>, size=2655, nrcpt=1 (queue active)
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/bounce[5224]: 7ACE4E0DDB: sender non-delivery notification: BA1F6E0DDC
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/qmgr[4605]: 7ACE4E0DDB: removed
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/smtp[5222]: BA1F6E0DDC: to=<EMPFÄNGER@DOMAIN.TLD>, relay=none, delay=0.04, delays=0/0/0.04/0, dsn=5.4.6, status=bounced (mail for SENDER.de loops back to myself)
Feb 1 20:42:31 ISP06-DE-NBG1 postfix/qmgr[4605]: BA1F6E0DDC: removed
Die Empfänger und Sender Domains liegen alles auf einem anderem Server im ISPConfig Cluster, der der eigentliche Mailserver ist (Dovecot, Postfix etc.)
Code:
##### SERVER #####
IP-address (as per hostname): ***.***.***.***
[WARN] could not determine server's ip address by ifconfig
[INFO] OS version is Debian GNU/Linux 11 (bullseye)
[INFO] uptime: 20:39:50 up 21 min, 1 user, load average: 0,02, 0,07, 0,04
[INFO] memory:
gesamt benutzt frei gemns. Puffer/Cache verfügbar
Speicher: 7,6Gi 1,5Gi 4,7Gi 166Mi 1,3Gi 5,6Gi
Swap: 7,8Gi 0B 7,8Gi
[INFO] systemd failed services status:
UNIT LOAD ACTIVE SUB DESCRIPTION
0 loaded units listed.
[INFO] ISPConfig is installed.
##### ISPCONFIG #####
ISPConfig version is 3.2.7p1
##### VERSION CHECK #####
[INFO] php (cli) version is 7.3.33-1+0~20211119.91+debian11~1.gbp618351
[INFO] php-cgi (used for cgi php in default vhost!) is version 7.3.33
##### PORT CHECK #####
[WARN] Port 8080 (ISPConfig) seems NOT to be listening
[WARN] Port 143 (IMAP server) seems NOT to be listening
[WARN] Port 993 (IMAP server SSL) seems NOT to be listening
[WARN] Port 110 (POP3 server) seems NOT to be listening
[WARN] Port 995 (POP3 server SSL) seems NOT to be listening
[WARN] Port 465 (SMTP server SSL) seems NOT to be listening
##### MAIL SERVER CHECK #####
[WARN] I found no "submission" entry in your postfix master.cf
[INFO] this is not critical, but if you want to offer port 587 for smtp connections you have to enable this.
[WARN] I found no "smtps" entry in your postfix master.cf
[INFO] this is not critical, but if you want to offer SSL for smtp (not TLS) connections you have to enable this.
##### RUNNING SERVER PROCESSES #####
[INFO] I found the following web server(s):
Apache 2 (PID 862)
[INFO] I found the following mail server(s):
Postfix (PID 4603)
[WARN] I could not determine which pop3 server is running.
[WARN] I could not determine which imap server is running.
[INFO] I found the following ftp server(s):
PureFTP (PID 933)
##### LISTENING PORTS #####
Server) ()
Local (Address)
[anywhere]:21 (933/pure-ftpd)
[anywhere]:22 (691/sshd:)
[anywhere]:25 (4603/master)
[localhost]:9022 (672/php-fpm:)
*:*:*:*::*:80 (862/apache2)
*:*:*:*::*:8081 (862/apache2)
*:*:*:*::*:21 (933/pure-ftpd)
*:*:*:*::*:22 (691/sshd:)
*:*:*:*::*:25 (4603/master)
*:*:*:*::*:443 (862/apache2)
*:*:*:*::*:3306 (776/mariadbd)
##### IPTABLES #####
Chain INPUT (policy ACCEPT)
target prot opt source destination
f2b-sshd tcp -- [anywhere]/0 [anywhere]/0 multiport dports 22
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain f2b-sshd (1 references)
target prot opt source destination
REJECT all -- ***.***.***.*** [anywhere]/0 reject-with icmp-port-unreachable
REJECT all -- ***.***.***.*** [anywhere]/0 reject-with icmp-port-unreachable
REJECT all -- ***.***.***.*** [anywhere]/0 reject-with icmp-port-unreachable
REJECT all -- ***.***.***.*** [anywhere]/0 reject-with icmp-port-unreachable
REJECT all -- ***.***.***.*** [anywhere]/0 reject-with icmp-port-unreachable
REJECT all -- ***.***.***.*** [anywhere]/0 reject-with icmp-port-unreachable
REJECT all -- ***.***.***.*** [anywhere]/0 reject-with icmp-port-unreachable
RETURN all -- [anywhere]/0 [anywhere]/0
##### LET'S ENCRYPT #####
acme.sh is installed in /root/.acme.sh/acme.sh