Sometimes you need to block a server that is repeatedly probing your server, trying to brute-force crack authentication details. As a quick short-term fix, the easiest way to block them is simply to block them with the firewall: iptables -I INPUT -s 1.2.3.4 -j DROP Using DROP rather than REJECT will give them delays, causing... Read More >>

The J T Response email system checks for viruses and SPAM on all incoming and outgoing emails. Viruses All emails are scanned for viruses and our virus database is updated regularly. Any emails that we find contain a virus are automatically deleted. However, we can only block the viruses that our system knows about, so... Read More >>

Once you have it running postfix rarely needs any needs much looking after. This means that when you do get an issue, you may be a bit rusty about what to do to fix things. Here are a few pointers to a few commands that can help. We are running debian 7.6 (wheezy) on our... Read More >>

Recently, we have been hearing more reports of people having various problems configuring and setting up email accounts using varying range of email clients. This guide will be one of a series of guides which aims to help you through the process of configuring your email client to receive emails from your email account. Additionally,... Read More >>

Recently, we have been hearing more reports of people having various problems configuring and setting up their email accounts using varying range of email clients. This guide will be one of a series of guides which aims to help you through the process of configuring your email client to receive emails from your email account.... Read More >>

Recently, we have been hearing more reports of people having various issues configuring and setting up their email accounts using varying range of email clients. This guide will be one of a series of guides which aims to help you through the process of configuring your email client to receive emails from your email account.... Read More >>

Recently, we have been hearing many more reports of people having various issues configuring and setting up their email accounts using varying range of email clients. This guide will be the one of a series of guides which aims to help you through the process of configuring your email client to receive emails from your... Read More >>

Recently, we've been hearing many more reports of people having various problems configuring and setting up their email accounts using varying range of email clients. This guide will be the one of a series of guides which aims to help you through the process of configuring your email client to receive emails from your email... Read More >>

Throughout the setup and configuration of your email client, you may have been asked for which protocol your incoming and outgoing mail servers use. Many users may not know what these protocols mean and which one may be best for them to use. This guide aims to help eliminate any confusion which you may have... Read More >>

Recently, we have been hearing lots of reports of people having various problems configuring and setting up their email accounts using varying range of email clients. This guide will be one of a series of guides which aims to help you through the process of configuring your email client to receive emails from your email... Read More >>