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Full Discussion: Emails issue
Operating Systems Solaris Emails issue Post 302823365 by Junaid Subhani on Wednesday 19th of June 2013 07:35:32 AM
Old 06-19-2013
Wrench Emails issue

Dear all,
I am facing an issue in my data Center environment related to mails being generated by users on my machines.

Let me walk you through the issue one by one.

Each system (100+ servers in my DC) has a user sysmon on it that sends mails to a specific Email ID. The user runs scripts related to system monitoring i.e. scripts monitoring disk space , system health etc.

Example name of 2 systems are mercury0 & mercury1

The scripts work fine and send Emails to the ID given.

The issue arises when the /var/spool/mqueue directory on my MTA Relay host servers starts to increase with Emails being stuck in them.

Those emails are addressed to the system's own users.
Mercury0 is sending an Email to itself using sysmon ID.

Example of two mail outputs found on my MTA Relay host servers are below:

I did did the following on the /var/spool/mqueue directory on one of my MTA Relay host servers:

Code:
sudo cat * | grep sysmon | grep mercury0

Code:
H??To: sysmon@mercury0.domain.com

H??To: sysmon@mercury1.domain.com

How can I make sure that such mails do not pile up in the /var/spool/mqueue directory of my MTA Relay host servers?
Is there a way to make sure such mails being addressed to a systems own ID be forwarded to another Email ID but hte best option would be to simply discard them.


P.S. I have placed the IP address of MTA Host servers in the submit.cf file on all client machines.

Regards

Last edited by Junaid Subhani; 06-19-2013 at 08:43 AM..
 

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mailq(1)							   User Commands							  mailq(1)

NAME
mailq - print the mail queue SYNOPSIS
/usr/bin/mailq [-Ac] [-q subarg] [-v] DESCRIPTION
The mailq utility displays a summary of the mail messages queued for future delivery. The first line displayed for each mail message shows the internal identifier used on this host for the message, the size of the message in bytes, the date and time the message was accepted into the queue, and the envelope sender of the message. The second line of the display shows the error message that caused this message to be retained in the queue. This line will not be displayed if the message is being pro- cessed for the first time. The mailq utility used to be identical to sendmail -bp. Now it checks for the authorization attribute, solaris.mail.mailq. If the check for the invoking user succeeds, sendmail -bp is executed with the remaining argument vector. Otherwise, an error message is printed. This authorization attribute is by default enabled for all users. It can be disabled by modifying the Basic Solaris User entry in prof_attr(4). OPTIONS
The following options are supported: -Ac Like sendmail(1M), this flag tells mailq to use submit.cf rather than sendmail.cf even if the operation mode does not indicate an initial mail submission. This will result in the client queue /var/spool/clientmqueue being displayed rather than the default server queue /var/spool/mqueue. -qp[time] Similar to -qtime, except that instead of periodically forking a child to process the queue, sendmail forks a single per- sistent child for each queue that alternates between processing the queue and sleeping. The sleep time is given as the argument. The sleep time default is 1 second. The process will always sleep at least 5 seconds if the queue was empty in the previous queue run. -qf Processes saved messages in the queue once and does not fork(), but runs in the foreground. -qG name Processes jobs in the queue group called name only. -q[!]I substr Limits processed jobs to those containing substr as a substring of the queue id, or not when ! is specified. -q[!]R substr Limits processed jobs to those containing substr as a substring of one of the recipients, or not when ! is specified. -q[!]S substr Limits processed jobs to those containing substr as a substring of the sender, or not when ! is specified. -v Prints verbose information. This adds the priority of the message and a single character indicator (+ or blank) indicating whether a warning message has been sent on the first line of the message. Additionally, extra lines may be intermixed with the recipients that indicate the "controlling user" information. This shows who will own any programs that are executed on behalf of this message and the name of the alias this command is expanded from, if any. EXIT STATUS
0 Successful completion. >0 An error occurred. FILES
/etc/security/prof_attr local source for execution profile attributes /var/spool/mqueue default server queue /var/spool/clientmqueue client queue ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsndmu | +-----------------------------+-----------------------------+ SEE ALSO
sendmail(1M), prof_attr(4), attributes(5) SunOS 5.11 10 Jul 2002 mailq(1)
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