Email server

How to fix the 550 #5.1.0 Address rejected email problem

The Problem: All email that you send get’s bounced back with the following message: Subject Line: Delivery Status Notification (Failure) Message: Delivery to the following recipient failed permanently: user@domain.com Technical details of permanent failure: The following message to <user@domain.com> was undeliverable. The reason for the problem: 5.1.0 – Unknown address error […]

How to find/locate a Spammer on a Linux Plesk server?

If you feel emails are saturated in the Plesk Qmail mail queue, there is a possibility that your Plesk server is been used for sending spam emails. On a Plesk server relaying is not allowed by default so following are the ways spamming is mostly done. They are explained below […]

ERROR: Can’t open or parse the config freshclam.conf

Error While updating the ClamAV database using the ‘freshclam’ command, you may receive the “can’t open or parse the config file freshclam.conf” message. root@vps:~# freshclam ERROR: Please edit example config file /usr/local/etc/freshclam.conf ERROR: Can’t open/parse the config file /usr/local/etc/freshclam.conf The reason is, with the default installation, the ‘Example’ variable is […]

Exim mail queue clear

To clear SPAMS and unwanted mails from the mail queue   exim -bp | awk ‘$6~”frozen” {print $3 }’ | xargs exim -Mrm grep -lr ‘nobody@’ /var/spool/exim/input/ | \sed -e ’s/^.*\/\([a-zA-Z0-9-]*\)-[DH]$/\1/g’ | xargs exim -Mrm grep -rl ‘From: Mail Delivery System’ /var/spool/exim/input/ | \sed -e ’s/^.*\/\([a-zA-Z0-9-]*\)-[DH]$/\1/g’ | xargs exim -Mrm […]

How To Set Up A Postfix Autoresponder With Autoresponse

Autoresponse is an autoresponder for the Postfix MTA. It allows you to create autoresponder messages for email accounts from the shell and also by emailing the autoresponder text to a certain email address. I do not issue any guarantee that this will work for you!   1 Preliminary Note The […]

How To Relay Email On A Postfix Server

Introduction For two small businesses I set up a debian lenny installation on their “home” dsl connection. The problem is that they have dynamic ip addresses and most mailservers will not accept incoming mail from a server on a dynamic ip address. The solution is rather simple. Set up postfix […]

Moving Mdaemon Mail to New Server

In order to move MDaemon to a new machine you should first remove the MDaemon service. To remove MDaemon as a service Go to Setup Click on System Service Settings Click on Remove Service Open Windows Explorer and navigate to your MDaemon directory. Make a backup of the entire directory. […]

Linux How to bind Qmail to specific IP address

qmail is a mail transfer agent that runs on Linux and Unixish oses. It is more secure replacement for the popular Sendmail program. Yes, it is possible to bind Qmail to specific IP. Here is what I did. Please note that I am running light weight QMAIL server from xinetd […]

SMTP Relaying Via a Smarthost

This page describes how to set up exim 4 on both a laptop and a server so that you can relay mail via the server no matter where your laptop logs in from. Overview Laptops are portable and end up being connected to various networks from day to day. You […]