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Generating sasl_passwd.db in postfix docker container

pk flag
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I have a working postfix container that acts as an smtp relay for a local app in another container.

I wish to change the relay to one which requires sasl authentication. This requires generating sasl_passwd.db using command

postmap hash:/etc/postfix/sasl_passwd

My question is what is the best way to accomplish this in a docker container context? Can I just copy the hashed sasl_passwd.db from another server and include it as with any other file? Or generated within the container and extracted? Or .... ?

Things like this confuse me with docker! Any guidance on the best approach is appreciated.

This is the relevant container in docker-compose.yml:

  postfix:
image: juanluisbaptiste/postfix:latest
env_file: postfix.env
volumes:
  - ./postfix-main.cf:/etc/postfix/main.cf
  - ./abcdwildcard_cert_chain.pem:/etc/ssl/certs/abcdwildcard_cert_chain.pem
  - ./abcdwildcard_cert_pvtkey.pem:/etc/ssl/private/abcdwildcard_cert_pvtkey.pem
networks:
  openkm:
    ipv4_address: 172.16.238.12
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anx avatar
fr flag
anx
You may not need that: For single-key lookups, there is little benefit in using a lookup method more complicated than `inline:`
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