I cant receive any mail from outside, here all my settings and outputs:
postconf -d
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
allow_percent_hack = no
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
compatibility_level = 2
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5
disable_vrfy_command = yes
header_checks = regexp:/etc/postfix/header_checks
home_mailbox = Maildir/
html_directory = no
inet_interfaces = all
inet_protocols = ipv4
mail_owner = postfix
mailbox_command = /usr/bin/procmail-wrapper -o -a $DOMAIN -d $LOGNAME
mailbox_size_limit = 0
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
meta_directory = /etc/postfix
milter_default_action = accept
milter_protocol = 6
mime_header_checks = regexp:/etc/postfix/mime_header_checks
mydestination = $myhostname, localhost, mail.$mydomain
mydomain = domain.com
myhostname = ns1.domain.com
mynetworks_style = host
newaliases_path = /usr/bin/newaliases.postfix
non_smtpd_milters = inet:localhost:8891
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix32u-3.2.5/README_FILES
sample_directory = /usr/share/doc/postfix32u-3.2.5/samples
sender_bcc_maps = hash:/etc/postfix/bcc
sender_dependent_default_transport_maps = hash:/etc/postfix/dependent
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
shlib_directory = /usr/lib64/postfix
smtp_tls_loglevel = 1
smtpd_banner = $myhostname
smtpd_enforce_tls = no
smtpd_error_sleep_time = 1s
smtpd_hard_error_limit = 20
smtpd_helo_required = yes
smtpd_milters = inet:localhost:8891
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_invalid_hostname, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_rbl_client sbl.spamhaus.org, reject_rbl_client cbl.abuseat.org, reject_rbl_client bl.spamcop.net, reject_rbl_client zen.spamhaus.org, reject_rbl_client b.barracudacentral.org, permit
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain =
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_tls_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_soft_error_limit = 10
smtpd_tls_auth_only = no
smtpd_tls_cert_file = /etc/dovecot/certs/domain.com.pem
smtpd_tls_key_file = /etc/dovecot/private/domain.com.pem
smtpd_tls_security_level = may
soft_bounce = no
unknown_local_recipient_reject_code = 550
virtual_alias_maps = hash:/etc/postfix/virtual
procmail.log
procmail: Couldn't create or rename temp file "/home/user/Maildir/tmp/1525034649.14276_0.ns1.domain.com"
procmail: Couldn't create or rename temp file "/home/user/Maildir/tmp/1525034649.14276_1.ns1.domain.com"
From usermail@gmail.com Sun Apr 29 17:44:08 2018
Subject: JDIadjsdidads
Folder: **Bounced** 3986
Time:1525034649 From:usermail@gmail.com To:user@domain.com User:user Size:4291 Dest:/etc/webmin/virtual-server/clam-wrapper.pl /bin/clamdscan --config-file /etc/clamd.d/scan.conf Mode:None
maillog
Apr 29 17:44:06 ns1 postfix/smtpd[14270]: connect from mail-wr0-f178.google.com[209.85.128.178]
Apr 29 17:44:08 ns1 postfix/smtpd[14270]: 4E84B8D: client=mail-wr0-f178.google.com[209.85.128.178]
Apr 29 17:44:08 ns1 postfix/cleanup[14274]: 4E84B8D: message-id=<CABcH+u=RCMXn2d44iXVnr9ZS27_DUPy=CATH81BG7YrhEKaz2w@mail.gmail.com>
Apr 29 17:44:08 ns1 opendkim[1186]: 4E84B8D: mail-wr0-f178.google.com [209.85.128.178] not internal
Apr 29 17:44:08 ns1 opendkim[1186]: 4E84B8D: not authenticated
Apr 29 17:44:08 ns1 opendkim[1186]: 4E84B8D: no signing domain match for 'gmail.com'
Apr 29 17:44:08 ns1 opendkim[1186]: 4E84B8D: no signing subdomain match for 'gmail.com'
Apr 29 17:44:08 ns1 postfix/qmgr[1291]: 4E84B8D: from=<usermail@gmail.com>, size=3902, nrcpt=1 (queue active)
Apr 29 17:44:08 ns1 postfix/smtpd[14270]: disconnect from mail-wr0-f178.google.com[209.85.128.178] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
Apr 29 17:44:09 ns1 spamd[11080]: spamd: connection from localhost [::1]:60686 to port 783, fd 6
Apr 29 17:44:09 ns1 spamd[11080]: spamd: setuid to user succeeded
Apr 29 17:44:09 ns1 spamd[11080]: spamd: processing message <CABcH+u=RCMXn2d44iXVnr9ZS27_DUPy=CATH81BG7YrhEKaz2w@mail.gmail.com> for user:1002
Apr 29 17:44:09 ns1 spamd[11080]: spamd: clean message (-0.1/5.0) for user:1002 in 0.5 seconds, 3986 bytes.
Apr 29 17:44:09 ns1 spamd[11080]: spamd: result: . 0 - DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_PASS scantime=0.5,size=3986,user=user,uid=1002,required_score=5.0,rhost=localhost,raddr=::1,rport=60686,mid=<CABcH+u=RCMXn2d44iXVnr9ZS27_DUPy=CATH81BG7YrhEKaz2w@mail.gmail.com>,autolearn=ham autolearn_force=no
Apr 29 17:44:09 ns1 postfix/local[14275]: 4E84B8D: to=<user@ns1.domain.com>, orig_to=<user@domain.com>, relay=local, delay=2.8, delays=1.6/0.01/0/1.2, dsn=2.0.0, status=sent (delivered to command: /usr/bin/procmail-wrapper -o -a $DOMAIN -d $LOGNAME)
Apr 29 17:44:09 ns1 postfix/qmgr[1291]: 4E84B8D: removed
Apr 29 17:44:09 ns1 spamd[11036]: prefork: child states: II
ls -l /home/user/Maildir/
total 16
drwx------ 2 user user 4096 Apr 29 16:59 cur
drwx------ 2 user user 4096 Apr 29 16:59 new
-rw-r--r-- 1 user user 27 Apr 29 16:59 subscriptions
drwx------ 2 user user 4096 Apr 29 16:59 tmp
ls -l /home/user/Maildir/tmp/
total 0
Top of my head - do you have any disk space free?
Yes, all free its a fresh install. But I have do in a Block storage. I see a guy that he problem was that too...
df -h
Filesystem Size Used Avail Use% Mounted ondevtmpfs 990M 0 990M 0% /dev
tmpfs 1000M 0 1000M 0% /dev/shm
tmpfs 1000M 8.5M 992M 1% /run
tmpfs 1000M 0 1000M 0% /sys/fs/cgroup
/dev/mapper/centos-root 13G 1.9G 9.7G 17% /
/dev/vda1 488M 94M 359M 21% /boot
/dev/vdb1 9.8G 37M 9.2G 1% /home
/dev/mapper/centos-tmp 2.0G 6.1M 1.8G 1% /tmp
/dev/mapper/centos-var 5.8G 519M 5.0G 10% /var
/dev/mapper/centos-var_www 976M 2.6M 907M 1% /var/www
/dev/mapper/centos-var_tmp 2.0G 6.1M 1.8G 1% /var/tmp
/dev/mapper/centos-var_log 7.8G 59M 7.3G 1% /var/log
/dev/mapper/centos-var_log_audit 3.9G 29M 3.6G 1% /var/log/audit
tmpfs 200M 0 200M 0% /run/user/0
Here is the fstab
/dev/mapper/centos-root / ext4 defaults 1 1UUID=e25b5faf-e6de-44b1-8c65-58141c9b887c /boot ext4 defaults 1 2
/dev/mapper/centos-tmp /tmp ext4 defaults 1 2
/dev/mapper/centos-var /var ext4 defaults 1 2
/dev/mapper/centos-var_log /var/log ext4 defaults 1 2
/dev/mapper/centos-var_log_audit /var/log/audit ext4 defaults 1 2
/dev/mapper/centos-var_tmp /var/tmp ext4 defaults 1 2
/dev/mapper/centos-var_www /var/www ext4 defaults 1 2
/dev/mapper/centos-swap swap swap defaults 0 0
/dev/vdb1 /home ext4 quota,seclabel,grpquota,usrquota,data=ordered,noatime,rw 0 2