Fast Postfix and Dovecot setup on Ubuntu 18.04

More than a year ago I did a comprehensive multiseries walkthrough about how to setup a mailserver using Postfix and Dovecot, with antispam, database backend, etc. I’ve been running it ever since without a hiccup. For my recent LFCS certification I had to brush up on this knowledge a bit and wanted to find out…

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SMTP – DKIM with Postfix

The first email server I’ve configured with DKIM was a Postfix server with Rspamd, hence the previous post about this. But soon I also needed this cool mechanism configured on a server with postfix only and no Rspamd involved.It needs some more work I guess, but following this guide will get you there. I’ll make…

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SMTP – DKIM Postfix with Rspamd

After a few easy ones (DMARC and SPF), we now have the last one in our anti-spam triangle, DKIM, which is more complicated to setup. This mechanism is probably also the most reliable and hack proof solution, since you need to configure your email server, your DNS records and combine the two to make it…

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