Postfix skills and troubleshooting commands

Postfix skills and troubleshooting commands

Here are some commands I use every day. Of course, other email administrators will also use them, so I will write them down in case I forget them.

LIST/print the current Message Queue

1. # Postqueue-p
2.  
3. # Mailq

If the queue is too long, you can use the tail pipeline to read it.

1. # Mailq | tail

Clear queue

1. # Postqueue-f

Immediately post all emails for a domain.com Domain Name

1. # Postqueue-s domain.com

Delete all queues

1. # Postsuper-d ALL

Deletes a specified message.

1. # Postsuper-d messageid

Requeue or resend the specified email

1. # Postfix-r msgid

Search for the mail version

1. # Postconf-d mail_version
2. Mail_version = 2.6.6

You can also view the following connections. There are many examples of this connection and a good explanation document, which can be used to configure postfix: Postfix Configuration.

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Build a Postfix email server for Red Hat Enterprise Linux 5.4

Postfix (authentication) for secure email servers in Linux)

20 questions about Postfix

Postfix details: click here
Postfix: click here

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