72 Zeilen
2,5 KiB
Markdown
72 Zeilen
2,5 KiB
Markdown
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!!! warning
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Changing the binding does not affect source NAT. See [SNAT](https://mailcow.github.io/mailcow-dockerized-docs/en/post_installation/firststeps-snat) for required steps.
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## IPv4 binding
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To adjust one or multiple IPv4 bindings, open `mailcow.conf` and edit one, multiple or all variables as per your needs:
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```
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# For technical reasons, http bindings are a bit different from other service bindings.
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# You will find the following variables, separated by a bind address and its port:
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# Example: HTTP_BIND=1.2.3.4
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HTTP_PORT=80
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HTTP_BIND=
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HTTPS_PORT=443
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HTTPS_BIND=
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# Other services are bound by using the following format:
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# SMTP_PORT=1.2.3.4:25 will bind SMTP to the IP 1.2.3.4 on port 25
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# Important! Specifying an IPv4 address will skip all IPv6 bindings since Docker 20.x.
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# doveadm, SQL as well as Solr are bound to local ports only, please do not change that, unless you know what you are doing.
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SMTP_PORT=25
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SMTPS_PORT=465
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SUBMISSION_PORT=587
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IMAP_PORT=143
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IMAPS_PORT=993
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POP_PORT=110
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POPS_PORT=995
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SIEVE_PORT=4190
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DOVEADM_PORT=127.0.0.1:19991
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SQL_PORT=127.0.0.1:13306
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SOLR_PORT=127.0.0.1:18983
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```
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To apply your changes, run `docker-compose down` followed by `docker-compose up -d`.
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## IPv6 binding
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Changing IPv6 bindings is different from IPv4. Again, this has a technical background.
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A `docker-compose.override.yml` file will be used instead of editing the `docker-compose.yml` file directly. This is to maintain updatability, as the `docker-compose.yml` file gets updated regularly and your changes will most likely be overwritten.
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Edit to create a file `docker-compose.override.yml` with the following content. Its content will be merged with the productive `docker-compose.yml` file.
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An imaginary IPv6 **2a00:dead:beef::abc** is given. The first suffix `:PORT1` defines the external port, while the second suffix `:PORT2` routes to the corresponding port inside the container and must not be changed.
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```
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version: '2.1'
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services:
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dovecot-mailcow:
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ports:
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- '2a00:dead:beef::abc:143:143'
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- '2a00:dead:beef::abc:993:993'
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- '2a00:dead:beef::abc:110:110'
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- '2a00:dead:beef::abc:995:995'
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- '2a00:dead:beef::abc:4190:4190'
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postfix-mailcow:
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ports:
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- '2a00:dead:beef::abc:25:25'
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- '2a00:dead:beef::abc:465:465'
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- '2a00:dead:beef::abc:587:587'
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nginx-mailcow:
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ports:
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- '2a00:dead:beef::abc:80:80'
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- '2a00:dead:beef::abc:443:443'
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```
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To apply your changes, run `docker-compose down` followed by `docker-compose up -d`.
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