Tag Archives: postfix

SSLv3 and securing against Poodle

If you are using SSL in your web server, you probably want to read this. Google recently published details about an attack that targets SSLv3. The exploit first allows attackers to initiate a “downgrade dance” that tells the client that … Continue reading

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Setting up Domains Keys (DKIM) on Postfix

This is a quick and fairly painless way of setting up DKIM, on a postfix server. DomainKeys Identified Mail (DKIM) is a method for associating a domain name to an email message, thereby allowing a person, role, or organization to … Continue reading

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PCI compliance – a basic HOWTO

A lot of people are wanting to be PCI compliant these days, and this is generally a good thing. PCI compliance is not just a server spec, but a list of procedures, policies, controls over access to data. Therefore the … Continue reading

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Setup mail hosting on Debian Squeeze and other distros using postfixadmin

Postfix is our favorite mail server. We find it's easy to configure and performs really well. When asked at a recent conference talk, Eric Allman the creator of Sendmail, said he would use Postfix if starting today. Many people ask … Continue reading

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Debugging broken mail daemons

Getting bounced mail? here let me try and explain a few of the more common problems. Have you added the domain to accept mail? You need to add the domain into the mail server so it knows to accept email … Continue reading

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Postfixadmin – debian – mysql and errors

A lot of our users use postfixadmin, it means email users are in the database, its easy to use, easy to admin. However the setup can be a little tricky for those not used to it. If you want to … Continue reading

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Postfix problems that keep popping up

We have had several customers with postfix problems and they seem to be all of a similar nature, so i thought i would blog a couple. The most common one is trying to use both aliases and virtualhosts for a … Continue reading

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