My Oracle Support Banner

Oracle Linux 6 - Sendmail Mails are queued and Delay in Delivering Mails to End Users. (Doc ID 2655631.1)

Last updated on MAY 09, 2021

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64

Symptoms

Mails initiated from scheduled custom scripts on Oracle Linux 6 servers are getting queued and delay in mail delivery to the recipient users.

#mailq

----Q-ID----- --Size-- -----Q-Time----- ------------Sender/Recipient-----------
02B902hW060404 29775 Wed Mar 11 09:00 <localuser@localhost.com> 
                                       <test@internal.com>
02B903oh060421 3685 Wed Mar 11 09:00 <localuser@localhost.com>
                                       <test@internal.com>
                                       <user@internal.com>
Total requests: 2

 

In mail log the delay can be verified.

<>

02B902hW060404
Mar 11 09:00:02 localhost sendmail[60404]: 02B902hW060404: from=&lt;localuser@localhost.com&gt;, size=30321, class=0, nrcpts=1, 
msgid=&lt;202003110900.02B902QX060390@localhost.com&gt; proto=ESMTP, daemon=Daemon0, relay=localhost [127.0.0.1]
Mar 11 09:00:02 localhost sendmail[60404]: 02B902hW060404: to=&lt;test@internal.com&gt;, delay=00:00:00, mailer=relay, pri=60321, stat=queued
Mar 11 09:00:02 localhost sendmail[60390]: 02B902QX060390: to=&lt;user@internal.com&gt;, ctladdr=localuser (6109/500), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=60050, 
relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (02B902hW060404 Message accepted for delivery)
Mar 11 09:41:01</strong> localhost sendmail[117888]: 02B902hW060404: to=&lt;test@internal.com;, ctladdr=&lt;localuser@localhost.com&gt; (6109/500), delay=00:40:59, xdelay=00:00:00,
 mailer=relay,pri=150321, relay=smtprelay.internal.com [x.x.x.x], dsn=2.0.0, stat=Sent ( 202003110900.02B902QX060390@localhost.com Queued mail for delivery)
02B903oh060421
Mar 11 09:00:03 localhost sendmail[60421]: 02B903oh060421: from=&lt;localuser@localhost.com, size=4181, class=0, nrcpts=2,
msgid=202003110900.02B902wA060410@localhost.com,proto=ESMTP, daemon=Daemon0, relay=localhost [127.0.0.1]
Mar 11 09:00:03 localhost sendmail[60421]: 02B903oh060421: to=&lt;test@internal.com&gt;, delay=00:00:00, mailer=relay, pri=64181, stat=queued
Mar 11 09:00:03 localhost sendmail[60421]: 02B903oh060421: to=&lt;user@internal.com&gt;, delay=00:00:00, mailer=relay, pri=64181, stat=queued
<strong>Mar 11 09:41:01</strong> localhost sendmail[117888]: 02B903oh060421: to=test@internal.com;user@internal.com;ctladdr=localuser@localhost.com&gt; (6109/500), 
<strong>delay=00:40:58</strong>, xdelay=00:00:00,mailer=relay, pri=154181, relay=smtprelay.internal.com [x.x.x.x], dsn=2.0.0, stat=Sent ( 202003110900.02B902wA060410@localhost.com
 Queued mail for delivery)

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.