PostfixでDiscourseを動作させる方法

インストール
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After some trials and errors, I’ve been able to make Discourse work with Postfix. Here are steps that I’ve used, hope they can be helpful:

  1. Set a A record to point to your new server, says forum.domain.com

  2. install postfix, set forum.domain.com as myhostname and add 172.17.0.0/16 to mynetworks so Discourse container can talk with Postfix without authentication. 172.17.0.0/16 is the default network used by Docker containers.

  3. Make sure postfix can sending out emails. I prefer using swaks

    swaks -t your_name@gmail.com

    You should receive an email “This is a test mailing”.

  4. In containers/app.yml, make sure to comment out the 3 lines for DISCOURSE_SMTP_USER_NAME, DISCOURSE_SMTP_PASSWORD and DISCOURSE_SMTP_ENABLE_START_TLS

    and set DISCOURSE_SMTP_DOMAIN to the forum.domain.com (make sure to replace by your domain name here)

  5. To test, you can connect to the Discourse container by docker exec -it app bash and run:

    apt update
apt install -y swaks
swaks -t name@gmail.com --server forum.domain.com

    You should receive an email “This is a test mailing”.

  6. Restart discourse with ./launcher rebuild app. You should now be able to create new account and receive verification email.

「いいね！」 2