Qmail mail delivery problem

Dear Concern,

As per below article, we have configured qmail in our system.

THE LINUX STUFF: qmail Installation Steps on Linux

But when we try to send any mail in own domain, got below error message. Please advise.

Apr 17 17:01:20 BLAUDITSCPTEST sendmail[19307]: alias database /etc/aliases rebuilt by root
Apr 17 17:01:20 BLAUDITSCPTEST sendmail[19307]: /etc/aliases: 76 aliases, longest 10 bytes, 765 bytes total
Apr 17 17:02:40 BLAUDITSCPTEST sendmail[19700]: u3HB2eLO019700: from=root, size=344, class=0, nrcpts=1, msgid=<20160417110240.GA19641@BLAUDITSCPTEST.banglalinkgsm.com>, relay=root@localhost
Apr 17 17:02:40 BLAUDITSCPTEST sendmail[19700]: u3HB2eLO019700: to=zubair@BLAUDITSCPTEST.banglalinkgsm.com, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30344, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]

With Best Regards,
Kauser

---------- Post updated 18-04-16 at 09:45 AM ---------- Previous update was 17-04-16 at 05:27 PM ----------

Dear Concern,

Please find some additional information regarding the problem. Currently we have observed that mail are getting queued. Please advise from below output.

[root@BLAUDITSCPTEST qmail]# qmailctl stat
/service/qmail-send: up (pid 9484) 39 seconds
/service/qmail-send/log: up (pid 9494) 39 seconds
/service/qmail-smtpd: up (pid 9751) 0 seconds
/service/qmail-smtpd/log: up (pid 9489) 39 seconds
messages in queue: 10===========================>Mail queue
messages in queue but not yet preprocessed: 0

[root@BLAUDITSCPTEST control]# tail -f /var/log/qmail/current
@40000000571456942b01d97c delivery 3: deferral: Unable_to_chdir_to_maildir._(#4.2.1)/
@40000000571456942b01dd64 status: local 0/10 remote 0/20
@40000000571456bd2b02c3dc starting delivery 4: msg 1769836 to local zubair@BLAUDITSCPTEST.banglalinkgsm.com
@40000000571456bd2b02d37c status: local 1/10 remote 0/20
@40000000571456bd2b22231c delivery 4: deferral: Unable_to_chdir_to_maildir._(#4.2.1)/
@40000000571456bd2b222704 status: local 0/10 remote 0/20
@40000000571456f92b24cacc starting delivery 5: msg 1769803 to local zubair@BLAUDITSCPTEST.banglalinkgsm.com
@40000000571456f92b24d684 status: local 1/10 remote 0/20
@40000000571456f92b449f3c delivery 5: deferral: Unable_to_chdir_to_maildir._(#4.2.1)/
@40000000571456f92b44a324 status: local 0/10 remote 0/20

 [root@BLAUDITSCPTEST qmail]# /var/qmail/bin/qmail-showctl
qmail home directory: /var/qmail.
user-ext delimiter: -.
paternalism (in decimal): 2.
silent concurrency limit: 120.
subdirectory split: 23.
user ids: 501, 502, 503, 0, 504, 505, 506, 507.
group ids: 502, 503.

badmailfrom: (Default.) Any MAIL FROM is allowed.

bouncefrom: (Default.) Bounce user name is MAILER-DAEMON.

bouncehost: (Default.) Bounce host name is BLAUDITSCPTEST.banglalinkgsm.com.

concurrencylocal: (Default.) Local concurrency is 10.

concurrencyremote: (Default.) Remote concurrency is 20.

databytes: (Default.) SMTP DATA limit is 0 bytes.

defaultdomain: Default domain name is banglalinkgsm.com.

defaulthost: (Default.) Default host name is BLAUDITSCPTEST.banglalinkgsm.com.

doublebouncehost: (Default.) 2B recipient host: BLAUDITSCPTEST.banglalinkgsm.com.

doublebounceto: (Default.) 2B recipient user: postmaster.

envnoathost: (Default.) Presumed domain name is BLAUDITSCPTEST.banglalinkgsm.com.

helohost: (Default.) SMTP client HELO host name is BLAUDITSCPTEST.banglalinkgsm.com.

idhost: (Default.) Message-ID host name is BLAUDITSCPTEST.banglalinkgsm.com.

localiphost: (Default.) Local IP address becomes BLAUDITSCPTEST.banglalinkgsm.com.

locals:
Messages for blauditscptest.banglalinkgsm.com are delivered locally.

me: My name is BLAUDITSCPTEST.banglalinkgsm.com.

percenthack: (Default.) The percent hack is not allowed.

plusdomain: Plus domain name is banglalinkgsm.com.

qmqpservers: (Default.) No QMQP servers.

queuelifetime: (Default.) Message lifetime in the queue is 604800 seconds.

rcpthosts:
SMTP clients may send messages to recipients at blauditscptest.banglalinkgsm.com.

morercpthosts: (Default.) No effect.

morercpthosts.cdb: (Default.) No effect.

smtpgreeting: (Default.) SMTP greeting: 220 BLAUDITSCPTEST.banglalinkgsm.com.

smtproutes: (Default.) No artificial SMTP routes.

timeoutconnect: (Default.) SMTP client connection timeout is 60 seconds.

timeoutremote: (Default.) SMTP client data timeout is 1200 seconds.

timeoutsmtpd: (Default.) SMTP server data timeout is 1200 seconds.

virtualdomains: (Default.) No virtual domains.

concurrencyincoming: I have no idea what this file does.

Maildir: I have no idea what this file does.

defaultdelivery: I have no idea what this file does.
[root@BLAUDITSCPTEST qmail]#

With Best Regards,
Md. Abdullah-Al Kauser

---------- Post updated at 02:28 PM ---------- Previous update was at 09:45 AM ----------

Dear Concern,

After some troubleshooting, currently we got following error message.

[root@BLAUDITSCPTEST control]# tail -f /var/log/qmail/current@400000005714998830a671e4 status: local 0/10 remote 0/20
@40000000571499c2309e7ebc starting delivery 12: msg 1769864 to local zubair@BLAUDITSCPTEST.banglalinkgsm.com
@40000000571499c2309ead9c status: local 1/10 remote 0/20
@40000000571499c230c5f064 delivery 12: deferral: Temporary_error_on_maildir_delivery._(#4.3.0)/
@40000000571499c230c5f834 status: local 0/10 remote 0/20

With Best Regards,
Md. Abdullah-Al Kauser