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How to Install Mailcow Tutorial

How to Install Mailcow Tutorial

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Support us on Patreon: http://bit.ly/38mnveC Mailcow is by far the best self hosted email server. It is incredibly easy to install Mailcow as it is distributed as a docker container. @0xDEC0DE introduced it to me so thank you to him. It only takes 15 minutes to install and get all setup. In 15 minutes you can hook your website up with it's own email server. You want to use a separate email server because you cannot proxy your mail server behind Cloudflare. In order to hide your origin IP address you cannot use your web server as your email server. There are also several things you need to do to keep your server from getting blacklisted by spam blacklists which I will teach you. In this How to install Mailcow tutorial you will learn how to: – Install mailcow on an Ubuntu Digital Ocean droplet – Set it up using Let's Encrypt SSL – Cloudflare configuration – DNS configuration – SPF, DKIM & DMARC setup – How to add mailboxes – How to setup Xenforo to use your mailcow server – Xenforo bounced email handling & one click unsubscribes – SMTP, POP3 usage Discussion: http://bit.ly/2IWRm24 How to Install Mailcow Tutorial + Xenforo 2 – Self hosted email Donate on our Forum : http://bit.ly/2HkOco9 Support us on Patreon : http://bit.ly/38mnveC Follow us on Facebook : http://bit.ly/2vvHfhk Follow us on Twitter : http://bit.ly/3bC7J1i Follow us on Twitch : http://bit.ly/39ywOZ2 Follow us on Reddit : http://bit.ly/3bvOB57 Follow us on GitHub : http://bit.ly/2HoNXIS Follow us on Instagram : http://bit.ly/2SoDOlu https://guidedhacking.com
 
 
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INSTALL AND CONFIGURE MAILCOW – BEST SELF HOSTED MAIL SERVER

Though there are several mailing solution for self hosted mail server, but installation and configuration can be headache some times. MailCow is fully feature loaded mailing script based on Dovecot, Postfix, SoGo and other open source software. It’s not easy to install, but also provides a modern web user interface for user and server administration.

MailCow is open source project which means you don’t have to spend a penny from your pocket for the software. To learn more about MailCow you can read their official documentation.

Requirement for MailCow Server

I will using Contabo for demonstration as they do not ban port 25. I have prepared list of VPS provider which gives you open port 25.

  • Recommended OS: Ubuntu 20.04

Initial DNS Setup

First of all you need to create few DNS records in order to start. They are as follows

TypeHostValue
AmailYour IP address
CNAMEautodiscovermail.yourdomain.com
CNAMEautoconfigmail.yourdomain.com
MX@mail.yourdomain.com 10

Installation of MailCow

Before, you can actually install mailcow, you need to install docker and docker compose needed by mailcow.

Installation of Docker

I already have discussed installation of Docker on Ubuntu. All, you need is to follow that article to install docker and docker-compose, which is will also help you understand docker.

Install MailCow

First of all set the hostname

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root@mail:~# hostnamectl set-hostname mail.yourdomain.com

Then install git , just in case it’s not installed. Then change working directory to opt directory and pull MailCow files from github.

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root@mail:~# apt install git -y
root@mail:~# cd /opt
root@mail:/opt# git clone https://github.com/mailcow/mailcow-dockerized

Now again change working directory.

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root@mail:/opt# cd mailcow-dockerized

Finally execute the bin file and answer the question

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root@mail:/opt/mailcow-dockerized# ./generate_config.sh
 
Press enter to confirm the detected value '[value]' where applicable or enter a custom value.
Mail server hostname (FQDN) - this is not your mail domain, but your mail servers hostname: mail.ingu.pw
Timezone [Etc/UTC]:
Generating snake-oil certificate...
Generating a RSA private key
...................................................................++++
...............................................................................................................................................................................................++++
writing new private key to 'data/assets/ssl-example/key.pem'
-----
Copying snake-oil certificate...

You can also make changes in configuration of you like

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root@mail:/opt/mailcow-dockerized# nano mailcow.conf

Next, pull MailCow docker image

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root@mail:/opt/mailcow-dockerized# docker-compose pull
 
Pulling unbound-mailcow   ... done
Pulling mysql-mailcow     ... done
Pulling redis-mailcow     ... done
Pulling clamd-mailcow     ... done
Pulling php-fpm-mailcow   ... done
Pulling sogo-mailcow      ... done
Pulling dovecot-mailcow   ... done
Pulling rspamd-mailcow    ... done
Pulling postfix-mailcow   ... done
Pulling memcached-mailcow ... done
Pulling nginx-mailcow     ... done
Pulling acme-mailcow      ... done
Pulling netfilter-mailcow ... done
Pulling watchdog-mailcow  ... done
Pulling dockerapi-mailcow ... done
Pulling solr-mailcow      ... done
Pulling olefy-mailcow     ... done
Pulling ejabberd-mailcow  ... done
Pulling ofelia-mailcow    ... done
Pulling ipv6nat-mailcow   ... done

Finally, run the compose.

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root@mail:/opt/mailcow-dockerized# docker-compose up -d
 
Creating network "mailcowdockerized_mailcow-network" with driver "bridge"
Creating volume "mailcowdockerized_vmail-vol-1" with default driver
Creating volume "mailcowdockerized_vmail-index-vol-1" with default driver
Creating volume "mailcowdockerized_mysql-vol-1" with default driver
Creating volume "mailcowdockerized_mysql-socket-vol-1" with default driver
Creating volume "mailcowdockerized_redis-vol-1" with default driver
Creating volume "mailcowdockerized_rspamd-vol-1" with default driver
Creating volume "mailcowdockerized_solr-vol-1" with default driver
Creating volume "mailcowdockerized_postfix-vol-1" with default driver
Creating volume "mailcowdockerized_crypt-vol-1" with default driver
Creating volume "mailcowdockerized_sogo-web-vol-1" with default driver
Creating volume "mailcowdockerized_sogo-userdata-backup-vol-1" with default driver
Creating volume "mailcowdockerized_xmpp-vol-1" with default driver
Creating volume "mailcowdockerized_xmpp-upload-vol-1" with default driver
Creating mailcowdockerized_sogo-mailcow_1      ... done
Creating mailcowdockerized_olefy-mailcow_1     ... done
Creating mailcowdockerized_memcached-mailcow_1 ... done
Creating mailcowdockerized_clamd-mailcow_1     ... done
Creating mailcowdockerized_unbound-mailcow_1   ... done
Creating mailcowdockerized_watchdog-mailcow_1  ... done
Creating mailcowdockerized_dockerapi-mailcow_1 ... done
Creating mailcowdockerized_solr-mailcow_1      ... done
Creating mailcowdockerized_ejabberd-mailcow_1  ... done
Creating mailcowdockerized_redis-mailcow_1     ... done
Creating mailcowdockerized_mysql-mailcow_1     ... done
Creating mailcowdockerized_php-fpm-mailcow_1   ... done
Creating mailcowdockerized_postfix-mailcow_1   ... done
Creating mailcowdockerized_dovecot-mailcow_1   ... done
Creating mailcowdockerized_nginx-mailcow_1     ... done
Creating mailcowdockerized_ofelia-mailcow_1    ... done
Creating mailcowdockerized_netfilter-mailcow_1 ... done
Creating mailcowdockerized_rspamd-mailcow_1    ... done
Creating mailcowdockerized_acme-mailcow_1      ... done
Creating mailcowdockerized_ipv6nat-mailcow_1   ... done

You might have to open port if firewall is running on your server. Run the following commands

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root@mail:~# sudo ufw allow 25,80,443,110,143,465,587,993,995/tcp

Now go to browser and open https://mail.yourdomain.com with the default credentials admin + password moohoo.

mailcow-admin-login-window

Inside admin dashboard make sure to change the password.

mailcow-admin-dashboard

To add domain and user go to configuration in the top menu

mailcow-add-domain-mail-window

To access mailbox go to https://mail.yourdomain.com/sogo and enter username and password.

mailcow-webmail-login

Next screen will be something like this.

mailcow-webmail-dashboard

Final DNS Configuration

You also need to setup DKIM, DMARC and SPF record to finish the installation.

TypeHostValue
TXT@“v=spf1 mx a -all”
TXT_dmarc“v=DMARC1; p=reject; rua=mailto:[email protected]”
TXTdkim._domainkey“v=DKIM1; k=rsa; t=s; s=email; p=…”

To get the DKIM go to configuration>>domain>>edit as follows

add-dkim-mailcow

At the bottom of next page, you should find DKIM key. Copy it and paste it in DKIM TXT record.

dkim-key-mailcow-location

Conclusion

Installation of MailCow mail server is simple and with proper guidance any one can install it. In this tutorial, I have demonstrated all the steps and commands required to install MailCow.

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