INTERVIEW QUESTIONS OPEN SOURCE APPLICATIONS MAIL MANAGEMENT SOFTWARE DETAILS

Question: When a 15 V input pulse with a width equal to two time constants is applied to an RC integrator, the capacitor charges to A. 15 V B. 12.9 V C. 8.6 V D. 19.45 V

Answer: Postfix maintains two queues, the pending mails queue, and the deferred mail queue,the deferred mail queue has the mail that has soft-fail and should be retried (Temporary failure), Postfix retries the deferred queue on set intervals (configurable, and by default 5 minutes)

To display the list of queued mails :

# postqueue -p

To Save the output of above command :

# postqueue -p > /mnt/queue-backup.txt

Tell Postfix to process the Queue now

# postqueue -f

Postfix maintains two queues, the pending mails queue, and the deferred mail queue,the deferred mail queue has the mail that has soft-fail and should be retried (Temporary failure), Postfix retries the deferred queue on set intervals (configurable, and by default 5 minutes)

To display the list of queued mails :

# postqueue -p

To Save the output of above command :

# postqueue -p > /mnt/queue-backup.txt

Tell Postfix to process the Queue now

# postqueue -f Source: CoolInterview.com

If you have the better answer, then send it to us. We will display your answer after the approval.

Rules to Post Answers in CoolInterview.com:-

• There should not be any Spelling Mistakes.
• There should not be any Gramatical Errors.
• Answers must not contain any bad words.
• Answers should not be the repeat of same answer, already approved.
• Answer should be complete in itself.

Name :*
Email Id :*
Answer :*
Verification Code	Not readable? Load New Code
Enter the above shown code: *
	Inform me about updated answers to this question