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[GH-ISSUE #77] `MP_SMTP_AUTH_ALLOW_INSECURE` can not be configured via env variable #49

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opened 2026-03-15 12:17:38 +03:00 by kerem · 7 comments

kerem commented

2026-03-15 12:17:38 +03:00

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Originally created by @IgnisDa on GitHub (Mar 31, 2023).
Original GitHub issue: https://github.com/axllent/mailpit/issues/77

I set MP_SMTP_AUTH_ALLOW_INSECURE = 1 in my environment.

I get this error.

ERRO[2023/03/31 16:13:13] SMTP authentication requires TLS encryption, run with `--smtp-auth-allow-insecure` to allow insecure authentication

I think it means that the enviroment variable is not being recognized.

Same applies to the MP_SMTP_AUTH_ACCEPT_ANY variable.

Originally created by @IgnisDa on GitHub (Mar 31, 2023). Original GitHub issue: https://github.com/axllent/mailpit/issues/77 I set `MP_SMTP_AUTH_ALLOW_INSECURE = 1` in my environment. I get this error. ``` ERRO[2023/03/31 16:13:13] SMTP authentication requires TLS encryption, run with `--smtp-auth-allow-insecure` to allow insecure authentication ``` I think it means that the enviroment variable is not being recognized. Same applies to the `MP_SMTP_AUTH_ACCEPT_ANY` variable.

kerem

2026-03-15 12:17:38 +03:00

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kerem commented

2026-03-15 12:17:54 +03:00

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@axllent commented on GitHub (Mar 31, 2023):

Can you please cop & paste the exact command you are running to start Mailpit, including trying to set the environment?

@axllent commented on GitHub (Mar 31, 2023): Can you please cop & paste the exact command you are running to start Mailpit, including trying to set the environment?

kerem commented

2026-03-15 12:17:59 +03:00

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@IgnisDa commented on GitHub (Apr 1, 2023):

I have this in my docker-compose.yml.


  mail:
    image: axllent/mailpit
    ports:
      - 8025:8025
    environment:
      MP_DATA_FILE: /data/mail.data
      MP_SMTP_AUTH_ACCEPT_ANY: '1'
      MP_SMTP_AUTH_ALLOW_INSECURE: '1'
    healthcheck:
      test: [ "CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8025/readyz" ]
      interval: 5s
      timeout: 5s
      retries: 3
    volumes:
      - mail-data:/data

I have not exposed port 1025 because I am using docker internal networking to communicate with it.

@IgnisDa commented on GitHub (Apr 1, 2023): I have this in my `docker-compose.yml`. ```yml mail: image: axllent/mailpit ports: - 8025:8025 environment: MP_DATA_FILE: /data/mail.data MP_SMTP_AUTH_ACCEPT_ANY: '1' MP_SMTP_AUTH_ALLOW_INSECURE: '1' healthcheck: test: [ "CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8025/readyz" ] interval: 5s timeout: 5s retries: 3 volumes: - mail-data:/data ``` I have not exposed port `1025` because I am using docker internal networking to communicate with it.

kerem commented

2026-03-15 12:18:04 +03:00

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@IgnisDa commented on GitHub (Apr 1, 2023):

Looking at: github.com/axllent/mailpit@321c181a9c/cmd/root.go (L241-L248)

It should be working fine. I wonder why it does not.

@IgnisDa commented on GitHub (Apr 1, 2023): Looking at: https://github.com/axllent/mailpit/blob/321c181a9c5e855e990ed1fe7e1305e1ad456cc0/cmd/root.go#L241-L248 It should be working fine. I wonder why it does not.

kerem commented

2026-03-15 12:18:09 +03:00

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@axllent commented on GitHub (Apr 1, 2023):

I would say because you are using ' in your yaml config, so the value is seen literally as '1' instead of 1. From memory you can only use "" or none at all. Try:

      MP_SMTP_AUTH_ACCEPT_ANY: 1
      MP_SMTP_AUTH_ALLOW_INSECURE: 1

      MP_SMTP_AUTH_ACCEPT_ANY: "1"
      MP_SMTP_AUTH_ALLOW_INSECURE: "1"

@axllent commented on GitHub (Apr 1, 2023): I would say because you are using `'` in your yaml config, so the value is seen literally as `'1'` instead of `1`. From memory you can only use `""` or none at all. Try: ```yaml MP_SMTP_AUTH_ACCEPT_ANY: 1 MP_SMTP_AUTH_ALLOW_INSECURE: 1 ``` or ```yaml MP_SMTP_AUTH_ACCEPT_ANY: "1" MP_SMTP_AUTH_ALLOW_INSECURE: "1" ```

kerem commented

2026-03-15 12:18:15 +03:00

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@IgnisDa commented on GitHub (Apr 1, 2023):

Tried both, did not work.

@IgnisDa commented on GitHub (Apr 1, 2023): Tried both, did not work.

kerem commented

2026-03-15 12:18:20 +03:00

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@axllent commented on GitHub (Apr 1, 2023):

You are absolutely correct, these flags weren't being recognised, my apologies. I found the bug and have just released v1.5.3 which will fix it for you. The latest docker image has been updated, so make sure to pull the latest (docker pull axllent/mailpit)

@axllent commented on GitHub (Apr 1, 2023): You are absolutely correct, these flags weren't being recognised, my apologies. I found the bug and have just released v1.5.3 which will fix it for you. The latest docker image has been updated, so make sure to pull the latest (`docker pull axllent/mailpit`)

kerem commented

2026-03-15 12:18:25 +03:00

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@IgnisDa commented on GitHub (Apr 1, 2023):

Thanks!

@IgnisDa commented on GitHub (Apr 1, 2023): Thanks!

kerem referenced this issue

2026-03-15 14:18:00 +03:00

[PR #49] [CLOSED] Bump esbuild from 0.17.5 to 0.17.10 #421