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65 lines
2.5 KiB
Markdown
65 lines
2.5 KiB
Markdown
# Troubleshooting
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## A. If you can't receive a welcome email when signing up
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This can either mean:
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1) Postfix can't send emails to your mailbox
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2) The `sl-app` container can't connect to Postfix (run on the host)
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### A.1
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To test 1), running `swaks --to your-mailbox@mail.com` should send you an email.
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Make sure to replace `your-mailbox@mail.com` by your mailbox address.
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`swaks` can be installed with `sudo apt install swaks` on Debian-based OS.
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### A.2
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Once 1) works, we can test the 2) by
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a) first connecting to the container by `docker exec -it sl-app bash`
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b) then run the following commands
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```bash
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apt update
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apt install telnet -y
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telnet 240.0.0.1 25
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```
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If the `telnet 240.0.0.1 25` doesn't work, it means Postfix can't be reached from the docker container.
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This means an issue with the Docker network.
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You can then try `telnet 172.17.0.1 25` as `172.17.0.1` is *usually* the host IP address. If this works, then you can set
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the `POSTFIX_SERVER=172.17.0.1` in your SimpleLogin config file `~/simplelogin.env` and re-run all the containers.
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If not, please run through the self-hosting instructions and make sure no step is missed.
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## B. You send an email to your alias and can't receive the forwarded email on your mailbox
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This can be either due to:
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1) Postfix doesn't recognize the alias domain
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2) Postfix can't connect to the `sl-email` container
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3) `sl-email` container can't connect to Postfix
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4) Postfix can't send emails to
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### B.1
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For 1), this can mean the `/etc/postfix/pgsql-relay-domains.cf` and `/etc/postfix/pgsql-transport-maps.cf` aren't correctly set up.
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To test 1), `postmap -q mydomain.com pgsql:/etc/postfix/pgsql-relay-domains.cf` should return `mydomain.com`.
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And `postmap -q not-exist.com pgsql:/etc/postfix/pgsql-relay-domains.cf` should return nothing.
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`postmap -q mydomain.com pgsql:/etc/postfix/pgsql-transport-maps.cf` should return `smtp:127.0.0.1:20381`
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And `postmap -q not-exist.com pgsql:/etc/postfix/pgsql-transport-maps.cf` should return nothing.
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### B.2
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For 2), you can check in the `sl-email` log by running `docker logs sl-email` and if the incoming email doesn't appear there,
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then it means Postfix can't connect to the `sl-email` container. Please run through the self-hosting instructions and
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make sure no step is missed.
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### B.3
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For 3), you can check in the `sl-email` log by running `docker logs sl-email` and make sure there's no error there.
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### B.4
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For 4), please refer to the A.1 section to make sure Postfix can send emails to your mailbox.
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