Mailinabox on Ubuntu docker over RHEL

Help with Setup/Upgrade
1

Hello,
We are attempting to setup MIAB, however we have a few hard requirements.

We must run it on a RHEL server
We want to run it within an Ubuntu container on the RHEL server, as it seems Ubuntu is a hard requirement.

Has anyone done anything similar to this, and does anyone have any recommendations?

Step 10/16 : ADD containers/docker/apt_package_list.txt /tmp/mailinabox_apt_package_list.txt
ADD failed: stat /mnt/docker-data/tmp/docker-builder597247929/containers/docker/apt_package_list.txt: no such file or directory

Install packages needed by Mail-in-a-Box.

ADD containers/docker/apt_package_list.txt /tmp/mailinabox_apt_package_list.txt
RUN DEBIAN_FRONTEND=noninteractive apt-get install -y $(cat /tmp/mailinabox_apt_package_list.txt)

I would presume this would be in the docker image, however it seems on build and run, it can’t locate this file.

Git cloned the docker setup/start.sh script:
[root@shsmail mailinabox]# setup/start.sh
setup/preflight.sh: line 11: lsb_release: command not found
Mail-in-a-Box only supports being installed on Ubuntu 14.04, sorry. You are running:

setup/preflight.sh: line 14: lsb_release: command not found

We can’t write scripts that run on every possible setup, sorry.

2

Mail-In-A-Box also has a hard requirement. It must be installed on a clean Ubuntu 14.04 server dedicated entirely to MiaB. I’m afraid your hard requirements are incompatible with this project.

Maybe mailcow would be better suited to meet your hard requirements.

3

Thank you for your input. Do you think Mailcow offers the same security as Mailinabox?

4

To be quite honest, I am not overly familiar with Mailcow. It had been recommended to me by a highly regarded member here @murgero. Perhaps, he will weigh in to address this question for you.

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5

As far as security goes, Mailcow and MailInABox use similar if not the same encryption methods for mail transfer, if that is what is being asked here?

6

Mailcow also runs in docker - on virtually any docker compatible system.

7

Mail-in-a-Box should work fine inside Vagrant (we provide a Vagrantfile) on RHEL. But you would have to be sure to get the port mappings right. And I’m not sure about running a DNS server inside Vagrant… that seems like it could have issues.

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8

Thank you so much for the input Murgero, I think I might experiment with setting it up mailcow as an alternative today if it offers some of the same security.

@joshdata ; i was thinking about trying mailinabox inside vagrant, if the client insists we must go with that.

I believe their biggest concern is that we are using something quite secure, but when it comes down to it mailcow should be sufficient, and we’ve hardened the server quite significantly.

I may be back with more questions as I experiment today. You guys have been so absolutely helpful! Thank you again!

1 Like
9

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