Trying to install mail-stack-delivery on 19.10 Eoan I see it's now a transitional package that only installs dovecot-core. Before it used to install both Dovecot and Postfix and write a basic config connecting the two. Is there a newer replacement for it? I kinda wanted to avoid copy-pasting config chunks from wikis and askubuntu.com :-)

1 Answer 1


Apparently, such things are now implemented as something called "tasks" and can be installed either via their native control tool tasksel, or via apt. Here's more on the difference of these two variants: Should I use tasksel, tasks in APT or install regular metapackages?

mail-stack-delivery in particular seems to be served by the task mail-server, so:

sudo tasksel install mail-server

Update: The task however only install some relevant packages but doesn't do any configuration to tie them together, which is what was great about the old integrated package.

  • 1
    I got a sudo: tasksel: command not found when running sudo tasksel install mail-server on a fresh install of Ubuntu 20.04
    – Aamnah
    Aug 28, 2020 at 14:11
  • @Aamnah this can be installed in turn with sudo apt install tasksel. Note however the update to my answer: the task doesn't really provide what I hoped it would.
    – isagalaev
    Aug 29, 2020 at 17:46
  • thanks. i ended up manually installing the relevant packages and editing postman config..
    – Aamnah
    Sep 6, 2020 at 20:08

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