On Sat 16 Jul 2016 at 18:25:51 +0100, Aaron Gray wrote: > fixed. I removed exim4-base and it took me back to the terminal stage > of the postfix install. Considering it is impossible to have two MTAs at the same time one wonders how exim4-base was on your machine at the simultaneously with postfix. I tested this and installing postfix completely removes any exim4 packages. You can do this too. If it doesn't work for you it is a bug.