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Setting Up Autoresponders with Postfix Virtual

Arun N. — Wed, 28 Oct 2009 18:59:38 +0000

One of the options to configure auto responder with Postfix

1. Edit Postfix Virtual Configuration:

Open and edit the Postfix virtual configuration file.

Add the following line, replacing email_address with the address you want to configure for autoresponding, and email_address@autoreply.nic.net.sa with the destination address for autoresponses:

email_address recepient_lists, email_address@autoreply.nic.net.sa

For example:

wordpress@example.com recepient1@example.com, wordpress@google.com@autoreply.example.com

2. Edit the Transport Configuration:

Open the transport configuration file and add the following line:

autoreply.domain.com autoreply:

For example:

autoreply.example.com autoreply:

3. Create a Pipe for the Autoresponder in master.cf:

To execute the autoresponder script, create a pipe in the master.cf configuration. Open the master.cf file and add the following lines:

autoreply unix - n n - - pipe

  flags= user=nobody argv=/usr/local/bin/autoreply $sender $recipient

4. Create the Autoresponder Script:

Create the autoresponder script at the specified location, in this case, /usr/local/bin/autoreply.

Here’s an example of what the script could look like:

#!/bin/bash

/usr/sbin/sendmail -oi -t << EOF

From: nobody@example.com

To: $1

Subject: Auto Response from example.com

Content-Type: text/plain; charset=utf-8

This is an autoreponder email.

EOF

Customize the script with the appropriate sender address, subject, and content for your auto responses.

There are alternative methods for setting up autoresponders, such as using tools like Procmail, depending on your mail server setup. Postfix provides flexibility, and you can choose the method that best suits your needs.

Cleanup mailman held messages

Arun N. — Wed, 21 Oct 2009 10:54:37 +0000

Occasionally, you might encounter a situation where messages get held up in mailman for various reasons, and it’s essential to know how to clean up these held messages.

Cleaning Up with the Command Line:

The process of cleaning up held messages in Mailman is relatively straightforward, thanks to some handy command-line tools.

1. Navigating to the Mailman Directory:

First, open your terminal and navigate to the Mailman directory. You can usually find it at:

$ cd /usr/lib/mailman

2. Using bin/discard:

To clean up held messages, you can typically use the bin/discard command. Run the following command, specifying the path to the held messages:

$ bin/discard /var/lib/mailman/data/heldmsg--*

Cleaning Up a Long List of Held Messages:

In some cases, you might have a long list of held messages to deal with. In this situation, you can make use of a more efficient approach.

1. Navigating to the Appropriate Directory:

Navigate to the Mailman data directory where the held messages are stored. This is typically located at:

$ cd /var/lib/mailman

2. Using find and xargs:

The find command helps you locate all the held messages. It searches for files with the name pattern “heldmsg–*”. After finding them, it passes them as arguments to the discard command using xargs.

Execute the following command:

$ find data -name heldmsg--* -print | xargs /usr/bin/discard

This approach efficiently processes a long list of held messages and gets your Mailman mailing list back in order

[Resolved] Postfix X-Authentication Warning

Arun N. — Sat, 03 Oct 2009 11:23:18 +0000

It’s possible to see X-Authentication-Warning in the email header when the mail server doesn’t trust the user. This can sometimes cause emails to be marked as spam. To solve the problem, you can add the user to the /etc/mail/trusted-users file. If your system includes forms that are used to send email as the Apache user, you need to add the “Apache” user to the trusted-users file.