1

Topic: Reject N0queue

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (1.6.2 MARIADB edition):
- Deployed with iRedMail Easy or the downloadable installer?
- Linux/BSD distribution name and version: Deb11
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx):Nginx
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Hello
More than half of my correspondence doesn't arrive.
Does anyone know how this can be corrected?
log mymail

Apr  5 12:01:05 mail postfix/smtpd[434126]: connect from forward502b.mail.server.net[178.154.239.111]
Apr  5 12:01:06 mail postfix/smtpd[434126]: Anonymous TLS connection established from forward502b.mail.server.net[178.154.239.111]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Apr  5 12:01:07 mail postfix/smtpd[434126]: NOQUEUE: reject: RCPT from forward502b.mail.server.net[178.154.239.111]: 554 5.7.1 <test@myserver.com>: Recipient address rejected: SMTP AUTH is required for users under this sender domain; from=<input@server.net> to=<test@myserver.com> proto=ESMTP helo=<forward502b.mail.server.net>
Apr  5 12:01:07 mail postfix/smtpd[434126]: disconnect from forward502b.mail.server.net[178.154.239.146] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 rset=1 quit=1 commands=6/8
Apr  5 12:01:11 mail postfix/postscreen[434094]: CONNECT from [178.154.239.111]:35070 to [194.87.235.88:25
Apr  5 12:01:11 mail postfix/postscreen[434094]: PASS OLD [178.154.239.210]:35070
Apr  5 12:01:11 mail postfix/smtpd[434126]: connect from forward502c.mail.server.net[178.154.239.111]
Apr  5 12:01:11 mail postfix/smtpd[434126]: Anonymous TLS connection established from forward502c.mail.server.net[178.154.239.111]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Apr  5 12:01:12 mail postfix/smtpd[434126]: NOQUEUE: reject: RCPT from forward502c.mail.server.net[178.154.239.111]: 554 5.7.1 <test@myserver.com>: Recipient address rejected: SMTP AUTH is required for users under this sender domain; from=<input@server.net> to=<test@myserver.com> proto=ESMTP helo=<forward502c.mail.server.net>
Apr  5 12:01:12 mail postfix/smtpd[434126]: disconnect from forward502c.mail.yandex.net[178.154.239.210] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 rset=1 quit=1 commands=6/8
Apr  5 12:01:26 mail postfix/submission/smtpd[434137]: warning: hostname leunie.poppopprision.com does not resolve to address 141.98.11.86: Name or service not known
Apr  5 12:01:26 mail postfix/submission/smtpd[434137]: connect from unknown[141.98.11.86]
Apr  5 12:01:28 mail postfix/submission/smtpd[434139]: warning: hostname surfacebetter.com does not resolve to address 185.36.81.58
Apr  5 12:01:28 mail postfix/submission/smtpd[434139]: connect from unknown[185.36.81.58]
Apr  5 12:01:29 mail postfix/submission/smtpd[434137]: Anonymous TLS connection established from unknown[141.98.11.86]: TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)
Apr  5 12:01:30 mail postfix/submission/smtpd[434139]: Anonymous TLS connection established from unknown[185.36.81.58]: TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)
Apr  5 12:01:31 mail postfix/submission/smtpd[434137]: warning: unknown[141.98.11.86]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr  5 12:01:31 mail postfix/submission/smtpd[434137]: disconnect from unknown[141.98.11.86] ehlo=2 starttls=1 auth=0/1 quit=1 commands=4/5

----

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2 (edited by Cthulhu 2023-04-05 18:22:35)

Re: Reject N0queue

SMTP AUTH is required

And:

unknown[141.98.11.86]: SASL LOGIN authentication failed

3

Re: Reject N0queue

Where can this be fixed?

4

Re: Reject N0queue

you need to auth before sending mail, the other one is a warning that there is a wrong login

5

Re: Reject N0queue

Cthulhu wrote:

you need to auth before sending mail, the other one is a warning that there is a wrong login

but incoming letters do not come to my domain.
they are blocked from unknown domains. google passes

6 (edited by kotmn 2023-04-06 05:44:30)

Re: Reject N0queue

Apr  6 00:37:50 mail postfix/smtpd[50050]: connect from forward103c.mail.server.net[178.154.239.214]
Apr  6 00:37:50 mail postfix/smtpd[50050]: Anonymous TLS connection established from forward103c.mail.server.net[178.154.239.214]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Apr  6 00:37:50 mail postfix/smtpd[50050]: NOQUEUE: reject: RCPT from forward103c.mail.server.net[178.154.239.214]: 550 5.1.0 <tester@server.ru>: Sender address rejected: User unknown; from=<tester@server.ru> to=<test@server.ru> proto=ESMTP helo=<forward103c.mail.server.net>
Apr  6 00:37:50 mail postfix/smtpd[50050]: disconnect from forward103c.mail.server.net[178.154.239.214] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 rset=1 quit=1 commands=6/8

main.cf

#
# TLS settings.
#
# SSL key, certificate, CA
#
smtpd_tls_key_file = /etc/ssl/private/iRedMail.key
smtpd_tls_cert_file = /etc/ssl/certs/iRedMail.crt
smtpd_tls_CAfile = /etc/ssl/certs/iRedMail.crt
smtpd_tls_CApath = /etc/ssl/certs

#
# Disable SSLv2, SSLv3
#
smtpd_tls_protocols = !SSLv2 !SSLv3 !TLSv1 !TLSv1.1 
smtpd_tls_mandatory_protocols = !SSLv2 !SSLv3 !TLSv1 !TLSv1.1

smtp_tls_protocols = !SSLv2 !SSLv3 !TLSv1 !TLSv1.1  
smtp_tls_mandatory_protocols = !SSLv2 !SSLv3 !TLSv1 !TLSv1.1

lmtp_tls_protocols = !SSLv2 !SSLv3 !TLSv1 !TLSv1.1
lmtp_tls_mandatory_protocols = !SSLv2 !SSLv3 !TLSv1 !TLSv1.1

7

Re: Reject N0queue

Sender address rejected: User unknown;

The mailbox does not exist, so it gets rejected

8 (edited by kotmn 2023-04-06 15:29:11)

Re: Reject N0queue

but it comes from other domains. here are 2 emails sent to 1 address. one arrived, the other did not.

mail 1

Apr  6 10:20:38 mail postfix/smtpd[3475]: connect from forward205c.mail.mail1.net[178.154.239.216]
Apr  6 10:20:38 mail postfix/smtpd[3475]: Anonymous TLS connection established from forward205c.mail.mail1.net[178.154.239.216]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256
Apr  6 10:20:38 mail postfix/smtpd[3475]: NOQUEUE: reject: RCPT from forward205c.mail.yandex.net[178.154.239.216]: 550 5.1.0 <mail@mail1.com>: Sender address rejected: User unknown; from=<mail@mail1.com> to=<test@mymail.com> proto=ESMTP helo=<forward205c.mail.mail1.net>
Apr  6 10:20:38 mail postfix/smtpd[3475]: disconnect from forward205c.mail.mail1.net[178.154.239.216] ehlo=2 starttls=1 mail=1 rcpt=0/1 data=0/1 rset=1 quit=1 commands=6/8

mail2

Apr  6 10:21:02 mail postfix/smtpd[3475]: connect from f751.i.mail2.com[45.84.129.122]
Apr  6 10:21:02 mail postfix/smtpd[3475]: Anonymous TLS connection established from f751.i.mail2.com[45.84.129.122]: TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)
Apr  6 10:21:02 mail postfix/smtpd[3475]: 4PsXwZ5tQPz1yjt: client=f751.i.mail2.com[45.84.129.122]
Apr  6 10:21:02 mail postfix/cleanup[3551]: 4PsXwZ5tQPz1yjt: message-id=<1680765659.26448389@f751.i.mai2l.com>
Apr  6 10:21:02 mail postfix/qmgr[3439]: 4PsXwZ5tQPz1yjt: from=<test@mail2.com>, size=4427, nrcpt=1 (queue active)
Apr  6 10:21:03 mail postfix/smtpd[3475]: disconnect from f751.i.mail2.com[45.84.129.122] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7
Apr  6 10:21:03 mail postfix/pipe[3556]: 4PsXwZ5tQPz1yjt: to=<test@mymail.com>, relay=dovecot, delay=0.6, delays=0.35/0.03/0/0.22, dsn=2.0.0, status=sent (delivered via dovecot service)
Apr  6 10:21:03 mail postfix/qmgr[3439]: 4PsXwZ5tQPz1yjt: removed

9

Re: Reject N0queue

kotmn wrote:

Apr  6 10:20:38 mail postfix/smtpd[3475]: NOQUEUE: reject: RCPT from forward205c.mail.yandex.net[178.154.239.216]: 550 5.1.0 <mail@mail1.com>: Sender address rejected: User unknown; from=<mail@mail1.com> to=<test@mymail.com> proto=ESMTP helo=<forward205c.mail.mail1.net>

"Sender address rejected: User unknown" means the sender address in "from=<mail@mail1.com>" does not exist.

10

Re: Reject N0queue

the sender domain was recorded as a local domain, deleted and the mail went.