Here’s an interesting little Linux cron timing trick I found. For one reason and another, I had a requirement to run a test cron job but with irregular timing to simulate the real scenario of users connecting irregularly. The trick is to run the cron job on a normal regular interval, but then introduce a…
Category: Email
Completely Disable ClamAV In iRedMail
ClamAV can be a memory hog at the best of times. If your mail server is feeling the pinch then there is a useful article in iRedMail’s own documentation on disabling it: Completely Disable ClamAV In iRedMail However, I have found that whilst the steps work, they don’t go quite far enough. The problem is…
Nullmailer: A Simple Mail Transfer Agent
Sometimes all you want to do is to allow your server to send emails. Postfix, exim and sendmail can all be configured to do this but they are complex to configure and relatively heavy-weight just to be used as a simple outgoing message transfer agent (MTA). This is where nullmailer comes in handy. Nullmailer is…