Running Docker Mail Server – A Full Stack Email Solution – In Docker

#Docker #EmailServer #Linux #Email

Full steps can be found at https://i12bretro.github.io/tutorials/0779.html

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What is Docker Mailserver?
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[Docker Mailserver is a] production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade. –  https://github.com/docker-mailserver/docker-mailserver
 
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Installing Docker
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   01. Log into the Linux host and run the following commands in a terminal window
         # update software repositories
         sudo apt update
         # install prerequisites
         sudo apt install apt-transport-https ca-certificates curl software-properties-common gnupg-agent -y
         # add docker gpg key
         curl -fsSL https://download.docker.com/linux/$(awk -F’=’ ‘/^ID=/{ print $NF }’ /etc/os-release)/gpg | sudo apt-key add –
         # add docker software repository
         sudo add-apt-repository “deb [arch=$(dpkg –print-architecture)] https://download.docker.com/linux/$(awk -F’=’ ‘/^ID=/{ print $NF }’ /etc/os-release) $(lsb_release -cs) stable”
         # install docker
         sudo apt install docker-ce docker-compose containerd.io -y
         # enable and start docker service
         sudo systemctl enable docker && sudo systemctl start docker
         # add the current user to the docker group
         sudo usermod -aG docker $USER
         # reauthenticate for the new group membership to take effect
         su – $USER
 
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Running Docker Mailserver Container
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   01. Continue with the following commands in a terminal window
         # create main working directories
         mkdir ~/docker/mailserver/{data,state,logs,config} -p
         # set owner of working directories
         sudo chown “$USER”:”$USER” ~/docker -R
         # run the mailserver container
         docker run -d –name=mailserver –hostname=”$HOSTNAME” –domainname=”docker.local” -p 25:25 -p 143:143 -p 587:587 -p 993:993 -e ENABLE_SPAMASSASSIN=1 -e SPAMASSASSIN_SPAM_TO_INBOX=1 -e ENABLE_CLAMAV=1 -e ENABLE_POSTGREY=1 -e ENABLE_FAIL2BAN=0 -e ENABLE_SASLAUTHD=0 -e ONE_DIR=1 -e TZ=America/New_York -v ~/docker/mailserver/data/:/var/mail/ -v ~/docker/mailserver/state/:/var/mail-state/ -v ~/docker/mailserver/logs/:/var/log/mail/ -v ~/docker/mailserver/config/:/tmp/docker-mailserver/ –restart=unless-stopped mailserver/docker-mailserver
         # create a user/inbox
         docker run –rm -e MAIL_USER=i12bretro@docker.local -e MAIL_PASS=supersecret -it mailserver/docker-mailserver /bin/sh -c ‘echo “$MAIL_USER|$(doveadm pw -s SHA512-CRYPT -u $MAIL_USER -p $MAIL_PASS)”‘ ≫≫ ~/docker/mailserver/config/postfix-accounts.cf
 
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Setting Up An E-Mail Client
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   01. Download Mozilla Thunderbird Portable  https://portableapps.com/apps/internet/thunderbird_portable
   02. Run the downloaded paf.exe file and extract it to any location
   03. Check the Run box and click Finish
   04. Fill out Your name, Email address and Password for the account created earlier
   05. Click Manual config
   06. For Incoming, enter the DNS name or IP address of the docker host
   07. For Outgoing, enter the DNS name or IP address of the docker host
   08. Click the Re-test button, Thunderbird should set some additional values
   09. Click Done
   10. Select I understand the risks ≫ Done
   11. From within Thunderbird, compose a new email address and send it to the inbox created earlier to test internal emails are working
 
Documentation:  https://docker-mailserver.github.io/docker-mailserver/edge/
 

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by i12bretro

linux smtp server