Rbl lookup error host or domain name not found

Hi, I am using postfix 3.3.4 with this configuration: smtpd_client_restrictions = check_client_access hash:/usr/local/etc/postfix/access, permit_sasl_authenticated, reject_rbl_client zen.spamhaus.org, reject_rbl_client dnsbl.sorbs.net...

  • #1

Hi, I am using

postfix

3.3.4 with this configuration:

Code: 

smtpd_client_restrictions =
           check_client_access hash:/usr/local/etc/postfix/access,
           permit_sasl_authenticated,
           reject_rbl_client zen.spamhaus.org,
           reject_rbl_client dnsbl.sorbs.net,
           reject_rbl_client hostkarma.junkemailfilter.com=127.0.0.2,
           reject_rbl_client b.barracudacentral.org,
           reject_rbl_client bl.spamcop.net,
           reject_rbl_client cbl.abuseat.org,
           reject_rbl_client psbl.surriel.com,
           reject_invalid_hostname,
           reject_non_fqdn_hostname,
           reject_non_fqdn_sender,
           reject_non_fqdn_recipient,
           reject_unknown_sender_domain,
           reject_unknown_recipient_domain,
           reject_unauth_pipelining,
           reject_rhsbl_client hostkarma.junkemailfilter.com=127.0.0.2,
           reject_rhsbl_sender hostkarma.junkemailfilter.com=127.0.0.2,
           reject_rhsbl_sender dsn.rfc-ignorant.org,
           permit_mynetworks

It seems I have some issue with Spamhaus RBL, for example:

Code: 

May 16 09:36:59 mail postfix/smtpd[4405]: warning: hostname static-ip-18160107106.cable.net.co does not resolve to address 181.60.107.106: hostname nor servname provided, or not known
May 16 09:36:59 mail postfix/smtpd[4405]: connect from unknown[181.60.107.106]
May 16 09:37:15 mail postfix/smtpd[4405]: warning: 106.107.60.181.zen.spamhaus.org: RBL lookup error: Host or domain name not found. Name service error for name=106.107.60.181.zen.spamhaus.org type=A: Host not found, try again
May 16 09:37:15 mail postfix/smtpd[4405]: NOQUEUE: reject: RCPT from unknown[181.60.107.106]: 554 5.7.1 Service unavailable; Client host [181.60.107.106] blocked using dnsbl.sorbs.net; Currently Sending Spam See: http://www.sorbs.net/lookup.shtml?181.60.107.106; from=<akt.......@su.........com> to=<avid......@domain.org> proto=ESMTP helo=<static-ip-18160107106.cable.net.co>
May 16 09:37:15 mail postfix/smtpd[4405]: lost connection after RCPT from unknown[181.60.107.106]
May 16 09:37:15 mail postfix/smtpd[4405]: disconnect from unknown[181.60.107.106] ehlo=1 mail=1 rcpt=0/1 commands=2/3

Spamhaus is not blocking IP 181.60.107.106, but Sorbs works.
I checked on https://www.spamhaus.org/lookup/ and such is actually listed in PBL and XBL.

Is there any issue with my configuration, or Spamhaus is not allowing queries from my IP?

Thank you

  • #2

Hi, I am using

postfix

3.3.4 with this configuration:

Code: 

smtpd_client_restrictions =
           check_client_access hash:/usr/local/etc/postfix/access,
           permit_sasl_authenticated,
           reject_rbl_client zen.spamhaus.org,
           reject_rbl_client dnsbl.sorbs.net,
           reject_rbl_client hostkarma.junkemailfilter.com=127.0.0.2,
           reject_rbl_client b.barracudacentral.org,
           reject_rbl_client bl.spamcop.net,
           reject_rbl_client cbl.abuseat.org,
           reject_rbl_client psbl.surriel.com,
           reject_invalid_hostname,
           reject_non_fqdn_hostname,
           reject_non_fqdn_sender,
           reject_non_fqdn_recipient,
           reject_unknown_sender_domain,
           reject_unknown_recipient_domain,
           reject_unauth_pipelining,
           reject_rhsbl_client hostkarma.junkemailfilter.com=127.0.0.2,
           reject_rhsbl_sender hostkarma.junkemailfilter.com=127.0.0.2,
           reject_rhsbl_sender dsn.rfc-ignorant.org,
           permit_mynetworks

It seems I have some issue with Spamhaus RBL, for example:

Code: 

May 16 09:36:59 mail postfix/smtpd[4405]: warning: hostname static-ip-18160107106.cable.net.co does not resolve to address 181.60.107.106: hostname nor servname provided, or not known
May 16 09:36:59 mail postfix/smtpd[4405]: connect from unknown[181.60.107.106]
May 16 09:37:15 mail postfix/smtpd[4405]: warning: 106.107.60.181.zen.spamhaus.org: RBL lookup error: Host or domain name not found. Name service error for name=106.107.60.181.zen.spamhaus.org type=A: Host not found, try again
May 16 09:37:15 mail postfix/smtpd[4405]: NOQUEUE: reject: RCPT from unknown[181.60.107.106]: 554 5.7.1 Service unavailable; Client host [181.60.107.106] blocked using dnsbl.sorbs.net; Currently Sending Spam See: http://www.sorbs.net/lookup.shtml?181.60.107.106; from=<akt.......@su.........com> to=<avid......@domain.org> proto=ESMTP helo=<static-ip-18160107106.cable.net.co>
May 16 09:37:15 mail postfix/smtpd[4405]: lost connection after RCPT from unknown[181.60.107.106]
May 16 09:37:15 mail postfix/smtpd[4405]: disconnect from unknown[181.60.107.106] ehlo=1 mail=1 rcpt=0/1 commands=2/3

Spamhaus is not blocking IP 181.60.107.106, but Sorbs works.
I checked on https://www.spamhaus.org/lookup/ and such is actually listed in PBL and XBL.

Is there any issue with my configuration, or Spamhaus is not allowing queries from my IP?

Thank you

What were you expecting to see?
Spamhaus don’t have to appear in your log like Sorbs.

Given this msg «……181.60.107.106]: 554 5.7.1 Service unavailable; Client host [181.60.107.106] blocked using dnsbl.sorbs.net; Currently Sending Spam See: http://www.sorbs.net/lookup.shtml?181.60.107.106; from=<akt…….@su………com> to=<avid……@domain.org> proto=ESMTP helo=<static-ip-18160107106.cable.net.co> May 16 09:37:15 mail postfix/smtpd[4405]: lost conne….», most (public email) servers would block your email messages from being delivered.

You may need an email proxy/forwarder for your emails to Yahoo, Gmail, etc to be delivered.

  • Thread Starter

  • #3

Hi,

please look again:

Code: 

May 16 09:37:15 mail postfix/smtpd[4405]: warning: 106.107.60.181.zen.spamhaus.org: RBL lookup error: Host or domain name not found. Name service error for name=106.107.60.181.zen.spamhaus.org type=A: Host not found, try again

The message was «inbound» to my server (domain.org is mine, in the example).
The point is: it seems I am not getting Spamhaus’r RBL protection.
Thank you

  • #4

Hi,

please look again:

Code: 

May 16 09:37:15 mail postfix/smtpd[4405]: warning: 106.107.60.181.zen.spamhaus.org: RBL lookup error: Host or domain name not found. Name service error for name=106.107.60.181.zen.spamhaus.org type=A: Host not found, try again

The message was «inbound» to my server (domain.org is mine, in the example).
The point is: it seems I am not getting Spamhaus’r RBL protection.
Thank you

They regularly update their servers and rules. You may be using an old config. I remember dropping a few of them…

  • #5

Is there any issue with my configuration, or Spamhaus is not allowing queries from my IP?

I don’t think so, I get those too sometimes when using the free data feeds.

  • #6

Better to install rspamd from ports and remove these blacklists entirely. Blacklists are shady business, even worse than spam.

  • #7

You may want to update your postfix configuration. There’s a better separation now between different restrictions.

smtpd_helo_restrictions =
….
smtpd_sender_restrictions =
….
smtpd_relay_restrictions =
…
smtpd_recipient_restrictions =
…

regarding spamhouse you may want to switch to sbl-xbl.spamhaus.org

Here is my example:

Code: 

# SASL CONFIG
broken_sasl_auth_clients = yes
smtpd_delay_reject = yes
smtpd_helo_required = yes

smtpd_helo_restrictions =
  permit_mynetworks,
  permit_sasl_authenticated,
  reject_invalid_helo_hostname,
  reject_non_fqdn_helo_hostname

smtpd_sender_restrictions =
  permit_mynetworks,
  permit_sasl_authenticated,
  reject_non_fqdn_sender,
  reject_unknown_sender_domain

smtpd_relay_restrictions =
  permit_mynetworks,
  permit_sasl_authenticated,
  defer_unauth_destination

smtpd_recipient_restrictions =
  reject_unknown_recipient_domain,
  reject_non_fqdn_recipient,
  permit_mynetworks,
  permit_sasl_authenticated,
  reject_unauth_destination,
  reject_unauth_pipelining,
  reject_rbl_client bl.spamcop.net,
  reject_rbl_client sbl-xbl.spamhaus.org,
  reject_rbl_client zen.spamhaus.org,
  reject_rbl_client db.wpbl.info,
  reject_rbl_client cbl.abuseat.org

  • #8

For Spamhaus black lists, you only need

reject_rbl_client zen.spamhaus.org

because it has all other Spamhaus RBLs included. See also https://www.spamhaus.org/zen/.
I would put it as first, for me it is catching 90% of all spam before all other lists.

  • #9

For Spamhaus black lists, you only need

because it has all other Spamhaus RBLs included. See also https://www.spamhaus.org/zen/.
I would put it as first, for me it is catching 90% of all spam before all other lists.

Thanks, that’s what I have been saying.

  • Thread Starter

  • #10

I don’t think so, I get those too sometimes when using the free data feeds.

I think this is my case, actually.

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1

1

Сегодня внезапно упал postfix
Логи mail.warn 

May 15 15:15:40 mail postfix/smtpd[32017]: warning: 143.230.106.217.list.dsbl.org: RBL lookup error: Host or domain name not found. Name service error for name=143.230$
May 15 15:16:18 mail postfix/smtpd[32017]: warning: 46.48.135.203.list.dsbl.org: RBL lookup error: Host or domain name not found. Name service error for name=46.48.135$
May 15 15:16:41 mail postfix/smtpd[32008]: warning: 200.134.254.180.list.dsbl.org: RBL lookup error: Host or domain name not found. Name service error for name=200.134$
May 15 15:16:46 mail postfix/smtpd[31874]: warning: 31.180.210.237: hostname host-31-180-210-237.stv.ru verification failed: Name or service not known
May 15 15:17:01 mail postfix/smtpd[31874]: warning: 237.210.180.31.list.dsbl.org: RBL lookup error: Host or domain name not found. Name service error for name=237.210.$
May 15 15:17:37 mail postfix/smtpd[31939]: warning: 125.52.88.78.list.dsbl.org: RBL lookup error: Host or domain name not found. Name service error for name=125.52.88.$
May 15 15:18:44 mail postfix/master[32174]: warning: process /usr/lib64/postfix/smtpd pid 32300 exit status 1
May 15 15:18:44 mail postfix/master[32174]: warning: /usr/lib64/postfix/smtpd: bad command startup -- throttling
May 15 15:19:45 mail postfix/master[32174]: warning: process /usr/lib64/postfix/smtpd pid 32326 exit status 1
May 15 15:19:45 mail postfix/master[32174]: warning: /usr/lib64/postfix/smtpd: bad command startup -- throttling
May 15 15:19:50 mail postfix/master[32428]: warning: process /usr/lib64/postfix/smtpd pid 32438 exit status 1
May 15 15:19:50 mail postfix/master[32428]: warning: /usr/lib64/postfix/smtpd: bad command startup -- throttling
May 15 15:20:51 mail postfix/master[32428]: warning: process /usr/lib64/postfix/smtpd pid 32626 exit status 1
May 15 15:20:51 mail postfix/master[32428]: warning: /usr/lib64/postfix/smtpd: bad command startup -- throttling
May 15 15:21:52 mail postfix/master[32428]: warning: process /usr/lib64/postfix/smtpd pid 32679 exit status 1
May 15 15:21:52 mail postfix/master[32428]: warning: /usr/lib64/postfix/smtpd: bad command startup -- throttling
May 15 15:22:53 mail postfix/master[32428]: warning: process /usr/lib64/postfix/smtpd pid 32693 exit status 1
May 15 15:22:53 mail postfix/master[32428]: warning: /usr/lib64/postfix/smtpd: bad command startup -- throttling
May 15 15:23:54 mail postfix/master[32428]: warning: process /usr/lib64/postfix/smtpd pid 32724 exit status 1
May 15 15:23:54 mail postfix/master[32428]: warning: /usr/lib64/postfix/smtpd: bad command startup -- throttling

перезапуск не помогает, перезагрузка тоже
подскажите что произошло?

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Looks like no one’s replied in a while. To start the conversation again, simply

ask a new question.

I’m starting to get RBL lookup errors, causing some legitimate and not so legitimate connections to time out.

Jul 19 03:29:09 blue postfix/smtpd[11865]: warning:
194.249.233.219.zen.spamhaus.org: RBL lookup error: Host or domain name
not found. Name service error for name=194.249.233.219.zen.spamhaus.org
type=A: Host not found, try again

From what I’ve been reading, is it usually a DNS config error with the source host? Because I can receive e-mails fine from many other hosts.

Extended Keyboard Server,

Mac OS X (10.5.3)

Posted on Jul 23, 2008 6:46 PM

The RBL keeps a list of all blacklisted IPs.

The receiving server (your server) will send a query containing the IP of the sending server to the RBL to see if it is listed.

Being the SMTP protocol quite old and due to the fact RBL lookups were not contemplated when it was created a hack/workaround is used in the form of a DNS query. Based on the return value of this query your mail server will accept or reject the message.

An example:

-Your server receives a connection attempt by a sending server at 194.123.321.001

-The lookup mechanism (handled by postfix or amavisd or spamassassin, but in your case postfix) will reverse the bytes and add the RBLs hostname. This results in: 001.321.123.194.zen.spamhaus.org

-Next a DNS lookup for 001.321.123.194.zen.spamhaus.org will take place.

-If it returns an address (usually in the 127.0.0.0/8 loopback block), it means the IP is listed. If it returns NXDOMAIN it is not listed and mail is accepted.

HTH,

Alex

Posted on Jul 24, 2008 10:56 AM

RBL lookup error

Источник

I have set up a mail server at work using Linux and the internet as my guide.  I am completely new to Linux but managed to get everything working somehow….

Now I get my daily LogWatch email from my email server and  I the only error that I get is listed below.  This error occurs a good bit, but does not seem to affect the function of the program.   I searched for an answer on the net and there does not seem to be a consensus on what to do to fix it (or my not being able to understand a thing some of the posts said might have something to do with it too!)  I just wanted to be able to fix it and clean up my log files some.

I am using Fedora Core 5 with Postfix, Spamassassin,  Amavis, and ClamAV.

Here is the error section which shows up in the PostFix section.  It goes on for pages, so I truncated it.

Since I am so fresh at this, I would appreciate any replies in «Step by Step for Dummies» format.

————————————————-
 Unrecognized warning:
     10.135.236.211.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=10.135.236.211.domain-name type=A: Host not found, try again : 1 Time(s)
     100.228.90.69.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=100.228.90.69.domain-name type=A: Host not found, try again : 1 Time(s)
     101.19.53.208.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=101.19.53.208.domain-name type=A: Host not found, try again : 1 Time(s)
     102.126.178.24.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=102.126.178.24.domain-name type=A: Host not found, try again : 1 Time(s)
     102.176.167.66.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=102.176.167.66.domain-name type=A: Host not found, try again : 1 Time(s)
     109.241.36.66.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=109.241.36.66.domain-name type=A: Host not found, try again : 1 Time(s)
     111.136.73.84.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=111.136.73.84.domain-name type=A: Host not found, try again : 1 Time(s)
     113.45.225.24.domain-name: RBL lookup error: Host or domain name not found. Name service error for name=113.45.225.24.domain-name type=A: Host not found, try again : 1 Time(s)

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  • [ubuntu] Current Postfix RBLs

  1. Current Postfix RBLs

    I’ve been trying to set up a mail server using: http://flurdy.com/docs/postfix/

    I get the following error in /var/log/mail.warn:

    Code:

    daniel@Mustrum:~$ tail /var/log/mail.warn
Sep  8 01:54:40 Mustrum postfix/smtpd[6505]: warning: 106.101.168.118.dnsbl.njabl.org: RBL lookup error: Host or domain name not found. Name service error for name=106.101.168.118.dnsbl.njabl.org type=A: Host not found, try again
Sep  8 15:37:04 Mustrum postfix/smtpd[7286]: warning: 51.99.168.118.sbl.spamhaus.org: RBL lookup error: Host or domain name not found. Name service error for name=51.99.168.118.sbl.spamhaus.org type=A: Host not found, try again
Sep  8 15:37:04 Mustrum postfix/smtpd[7286]: warning: 51.99.168.118.blackholes.easynet.nl: RBL lookup error: Host or domain name not found. Name service error for name=51.99.168.118.blackholes.easynet.nl type=A: Host not found, try again
Sep  8 15:37:05 Mustrum postfix/smtpd[7286]: warning: 51.99.168.118.dnsbl.njabl.org: RBL lookup error: Host or domain name not found. Name service error for name=51.99.168.118.dnsbl.njabl.org type=A: Host not found, try again
Sep  9 01:50:09 Mustrum postfix/smtpd[7872]: warning: 118.139.11.124.sbl.spamhaus.org: RBL lookup error: Host or domain name not found. Name service error for name=118.139.11.124.sbl.spamhaus.org type=A: Host not found, try again
Sep  9 01:50:09 Mustrum postfix/smtpd[7872]: warning: 118.139.11.124.blackholes.easynet.nl: RBL lookup error: Host or domain name not found. Name service error for name=118.139.11.124.blackholes.easynet.nl type=A: Host not found, try again
Sep  9 01:50:10 Mustrum postfix/smtpd[7872]: warning: 118.139.11.124.dnsbl.njabl.org: RBL lookup error: Host or domain name not found. Name service error for name=118.139.11.124.dnsbl.njabl.org type=A: Host not found, try again
Sep 10 09:25:03 Mustrum postfix/smtpd[9681]: warning: 1.0.0.127.sbl.spamhaus.org: RBL lookup error: Host or domain name not found. Name service error for name=1.0.0.127.sbl.spamhaus.org type=A: Host not found, try again
Sep 10 09:25:04 Mustrum postfix/smtpd[9681]: warning: 1.0.0.127.blackholes.easynet.nl: RBL lookup error: Host or domain name not found. Name service error for name=1.0.0.127.blackholes.easynet.nl type=A: Host not found, try again
Sep 10 09:25:04 Mustrum postfix/smtpd[9681]: warning: 1.0.0.127.dnsbl.njabl.org: RBL lookup error: Host or domain name not found. Name service error for name=1.0.0.127.dnsbl.njabl.org type=A: Host not found, try again
daniel@Mustrum:~$

    In /etc/postfix/main.cf I have the following line:

    Code:

    smtpd_client_restrictions = reject_rbl_client sbl.spamhaus.org, reject_rbl_client blackholes.easynet.nl, reject_rbl_client dnsbl.njabl.org

    Which RBL clients are currently in service and considered good by you?

    Thanks for your help.

  2. Re: Current Postfix RBLs

    Apologies for the delay replying: if you have alread found a solution, please at least mark your thread «solved».

    I’d suggest using zen.spamhaus.org instead of sbl.spamhaus.org

  3. Re: Current Postfix RBLs

    spamhaus and spamcop are good.

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Using Dovecot/postif last release on Debian Wheezy
Mails from gmail are not accepted.

log:

Sep 10 14:38:30 ns2281425 postfix/smtpd[27084]: warning: cannot get RSA certificate from file /etc/postfix/smtpd.crt: disabling TLS support
Sep 10 14:38:30 ns2281425 postfix/smtpd[27084]: warning: TLS library problem: 27084:error:02001002:system library:fopen:No such file or directory:bss_file.c:398:fopen('/etc/postfix/smtpd.crt','r'):
Sep 10 14:38:30 ns2281425 postfix/smtpd[27084]: warning: TLS library problem: 27084:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:400:
Sep 10 14:38:30 ns2281425 postfix/smtpd[27084]: warning: TLS library problem: 27084:error:140DC002:SSL routines:SSL_CTX_use_certificate_chain_file:system lib:ssl_rsa.c:722:
Sep 10 14:38:30 ns2281425 postfix/smtpd[27084]: connect from mail-qe0-f47.google.com[209.85.128.47]
Sep 10 14:38:31 ns2281425 postfix/cleanup[27089]: 40F2AC0CAC: message-id=<20130910123831.40F2AC0CAC@ns2281425.ovh.net>
Sep 10 14:38:31 ns2281425 postfix/smtpd[27084]: disconnect from mail-qe0-f47.google.com[209.85.128.47]
Sep 10 14:38:31 ns2281425 postfix/qmgr[25342]: 40F2AC0CAC: from=<double-bounce@ns2281425.ovh.net>, size=900, nrcpt=1 (queue active)
Sep 10 14:38:31 ns2281425 postfix/local[27091]: warning: required alias not found: postmaster
Sep 10 14:38:31 ns2281425 postfix/local[27091]: 40F2AC0CAC: to=<postmaster@ns2281425.ovh.net>, orig_to=<postmaster>, relay=local, delay=0.01, delays=0.01/0/0/0, dsn=2.0.0, status=sent (discarded)
Sep 10 14:38:31 ns2281425 postfix/qmgr[25342]: 40F2AC0CAC: removed

Postfix conf:

# 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/smtpd.crt
smtpd_tls_key_file=/etc/postfix/smtpd.key
smtp_tls_CAfile = /etc/postfix/cakey.pem
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_sasl_password_maps = hash:/etc/postfix/relay_passwd

smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain = domain.lan

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = ns2281425.ovh.net
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = ns2281425.ovh.net, localhost.ovh.net, , localhost
#relayhost = [smtp.mailoo.org]:225
relayhost =
mynetworks = 127.0.0.0/8, 5.39.72.228
mailbox_size_limit = 0
recipient_delimiter = +
#inet_interfaces = 127.0.0.1, 5.39.72.228
inet_interfaces = all
inet_protocols = ipv4
mailbox_command = /usr/lib/dovecot/deliver
home_mailbox = Maildir/

virtual_transport = dovecot
dovecot_destination_recipient_limit = 1

# Wait until the RCPT TO command before evaluating restrictions
smtpd_delay_reject = yes

# Basics Restrictions
smtpd_helo_required = yes
strict_rfc821_envelopes = yes

# Requirements for the connecting server
smtpd_client_restrictions =
    permit_mynetworks,
    permit_sasl_authenticated,
    reject_rbl_client bl.spamcop.net,
    reject_rbl_client dnsbl.njabl.org,
    reject_rbl_client cbl.abuseat.org,
    reject_rbl_client sbl-xbl.spamhaus.org,
    reject_rbl_client list.dsbl.org,
    permit

# Requirements for the HELO statement
smtpd_helo_restrictions =
    permit_mynetworks,
    permit_sasl_authenticated,
    reject_non_fqdn_hostname,
    reject_invalid_hostname,
    permit

# Requirements for the sender address
smtpd_sender_restrictions =
    permit_mynetworks,
    permit_sasl_authenticated,
    reject_non_fqdn_sender,
    reject_unknown_sender_domain,
    permit

# Requirement for the recipient address
smtpd_recipient_restrictions =
    permit_mynetworks,
    permit_sasl_authenticated,
    reject_non_fqdn_recipient,
    reject_unknown_recipient_domain,
    reject_unauth_destination,
    permit

virtual_alias_maps = hash:/etc/postfix/virtual

Any idea please?

Now mails are coming from gmail. But logs are:

Sep 10 15:17:02 ns2281425 postfix/smtpd[1720]: warning: 49.128.85.209.dnsbl.njabl.org: RBL lookup error: Host or domain name not found. Name service error for name=49.128.85.209.dnsbl.njabl.org type=A: Host not found, try again
Sep 10 15:17:17 ns2281425 postfix/smtpd[1720]: warning: 49.128.85.209.list.dsbl.org: RBL lookup error: Host or domain name not found. Name service error for name=49.128.85.209.list.dsbl.org type=A: Host not found, try again
Sep 10 15:17:17 ns2281425 postfix/cleanup[1770]: warning: database /etc/postfix/virtual.db is older than source file /etc/postfix/virtual
Sep 10 15:17:17 ns2281425 postfix/smtpd[1720]: 1449DC0C96: client=mail-qe0-f49.google.com[209.85.128.49]
Sep 10 15:17:17 ns2281425 postfix/cleanup[1770]: 1449DC0C96: message-id=<CAOen1CZ90Jpgg7pfbH0zTyX9QvcrAXS3Ts=OiQdYmrdH4EzZjg@mail.gmail.com>
Sep 10 15:17:17 ns2281425 postfix/qmgr[921]: 1449DC0C96: from=<xxxxxxx@gmail.com>, size=1942, nrcpt=1 (queue active)
Sep 10 15:17:17 ns2281425 postfix/smtpd[1720]: disconnect from mail-qe0-f49.google.com[209.85.128.49]
Sep 10 15:17:17 ns2281425 postfix/local[1771]: 1449DC0C96: to=<test.ue-lands@ns2281425.ovh.net>, orig_to=<test@ue-lands.com>, relay=local, delay=31, delays=30/0/0/0.13, dsn=2.0.0, status=sent (delivered to command: /usr/lib/dovecot/deliver)
Sep 10 15:17:17 ns2281425 postfix/qmgr[921]: 1449DC0C96: removed

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